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45 Best Open Source Startups Worth A Follow In 2021

This article showcases Startup Pill’s top picks for the best Open Source startups. These startups are taking a variety of approaches to innovating inside of the Open Source industry and around the world. They are all exceptional startups well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

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Top Open Source Startups

Data sourced from Crunchbase and SemRush.

Anyscale

Anyscale

Crunchbase | Website | Twitter | Facebook | Linkedin

Anyscale provides an application development platform for developers to build distributed applications. The platform is based on an open-source framework that enables software developers to easily write compute-intensive applications by simplifying the hardware decisions made.

Anyscale was founded in 2019 and headquartered in Berkeley, California.. .

PostHog

PostHog

Crunchbase | Website | Twitter | Facebook | Linkedin

PostHog is increasing the number of successful products in the world. We do that by providing a platform for open-source product analytics.

This helps software teams understand user behaviour. We took part in Y Combinator’s W20 cohort, and had the most successful B2B software launch on HackerNews since 2012, with a product that was just 4 weeks old.

Our team is a combination of former CTOs and YC founders all turned developers, alongside some of the best developers from the world’s largest tech companies who have the experience to help us handle scalability. We’re all remote, and we’ve raised enough to pay top of market.

We are proudly backed by some of the best VCs and Investors in the world, such as Y Combinator. We believe in product-led growth, while we build something awesome and let our product bring the users, rather than an outbound sales team and regular cold calls.

Check out posthog.com/careersif you want to be part of this journey.. .

Openbase

Openbase

Crunchbase | Website | Twitter | Facebook | Linkedin

Openbase helps developers choose among millions of open-source packages, so they can build amazing products faster.

Jina AI

Jina AI

Crunchbase | Website | Twitter | Facebook | Linkedin

Jina AI is a Neural Search Company, providing cloud-native neural search powered by state-of-the-art AI and deep learning. Our mission is to build an open-source neural search ecosystem for businesses and developers, enabling everyone to search for information in all kinds of data with high availability and scalability.

Searching is part of human nature. Ever since we entered the information age, search changed the way we explore the world and access information.

After entering the era of big data and 5G, the world generates tens of thousands of pieces of data every minute of every day in myriad different forms: Text, voice, images, videos, source code, even chemical equations and biological genomes. Big data means big challenges, the biggest of which is finding valuable needles in this digital haystack.

Enterprises need to search freely and seamlessly across different documents, and do so quickly, accurately and efficiently. This presents both a challenge and an opportunity.

Jina AI was born in this context. We’ve built a unique neural-net-powered search framework with state-of-art AI, empowering individuals, organizations and enterprises in different domains and industries to build their own neural search platform, and dig out the information they need from the massive amount of data efficiently, quickly and accurately.

Jina’s technology not only leads the neural search industry, but also showcases our openness and inclusivity. As an open-source company, Jina advocates technology without borders, letting developers from all over the world use our framework to solve the unique problems faced in their industry.

QuestDB

QuestDB

Crunchbase | Website | Twitter | Facebook | Linkedin

QuestDB is a high performance database for time-series data. QuestDB’s software architecture has been designed from the ground up to be as close to the hardware structure as possible – offering breakthrough performance.

Through QuestDB, companies can harness the power of time series data by handling billions of time-stamped events without relying on powerful hardware.. .

Second State

Second State

Crunchbase | Website | Twitter | Facebook | Linkedin

Second State builds the next generation open source “operating system” for the cloud and the decentralized web. The Second State Virtual Machine (SSVM) is a WebAssembly runtime optimized for server-side applications.

It works seamlessly with existing application frameworks, such as Node.js, but provides a secure and lightweight runtime at native performance. It is a managed alternative to native code, and is ideal for building AI and big data microservices.

The SSVM also powers decentralized applications as the execution engine for leading public blockchains, such as Ethereum 2.0, Ethereum Classic, Polkadot / Web3, Oasis, and CyberMiles. The Second State BUIDL is a web-based IDE for the SSVM and its toolchain.

You can create and deploy a blockchain-based web application via BUIDL in just a few minutes. Second State is a Venture Capital backed startup with offices in USA, Taiwan, China, and Australia..

BuildBuddy

BuildBuddy

Crunchbase | Website | Twitter | Facebook | Linkedin

BuildBuddy provides enterprise features for Bazel, an open-source build system that allows users to build and test software. It captures build logs, invocation details, target information, and artifacts so users get a complete picture of each build.

The company was founded by Siggi Simonarson and is headquartered in Palo Alto, California.. .

Gitpod

Gitpod

Crunchbase | Website | Twitter | Facebook | Linkedin

Gitpod streamlines development workflows by helping teams become productive faster. Designed for applications running in the cloud, Gitpod frees engineering teams from the friction of manually setting-up local dev environments, saving dozens of hours and enabling a new level of collaboration to create applications much more quickly than ever before.

Natively integrated with GitLab, GitHub, and Bitbucket, Gitpod automatically and continuously prebuilds dev environments for all your branches. As a result team members can instantly start coding with fresh dev environments for each new task – no matter if you are building a new feature, want to fix a bug, or work on a code review..

StreamNative

StreamNative

Crunchbase | Website | Twitter | Facebook | Linkedin

StreamNative offers an event streaming platform based on Apache Pulsar that enables companies to access enterprise data as real-time streams. Apache Pulsar acts as a real-time, fault-time, highly scalable and unified event streaming platform.

It is widely adopted by many companies globally, from internet giants, gaming companies, IoT companies, financial institutes to many other enterprises. Unliked other legacy pubsub messaging system, Pulsar was born and developed for Cloud.

Its architectural advantages and cloud-native design principles make it able to make high volume data available as an infinite real-time stream for consumption. The infinite real-time stream provides a unified view for both historic and real-time data.

The infrastructure lets you build around a single central nervous system transmitting, storing and processing messages for the different systems and applications within your organization. By leveraging the Apache Pulsar technology, StreamNative Platform enables the leaders in industries such as gaming, financial services, blockchain, retail, logistics, manufacturing, media and IoT, move data from isolated legacy systems into one real-time event streaming platform where they can act on immediately.

StreamNative was started by a team of Apache Pulsar and Apache BookKeeper PMC members, committers and contributors, who believe in event streams are the right foundation for enterprise data. Many of the team members have been working on Apache Pulsar for years, and have helped the leading internet giants successfully run Pulsar at scale.

StreamNative is based in San Francisco, California. It also have offices in Beijing, Shanghai and Shenzhen in China..

Atomic Loans

Atomic Loans

Crunchbase | Website | Twitter | Facebook | Linkedin

Atomic Loans is a protocol for bitcoin and crypto-backed loans on your terms, without middlemen. By extending atomic swap technology, Atomic Loans enables users to interact with trustless, cross-chain debt agreements.

We use the functionality of the native Bitcoin and Ethereum blockchains to enable lending without requiring customers to delegate trust to centralized custodians, ensuring their funds will never be stolen or seized.. .

Eradani

Eradani

Crunchbase | Website | Twitter | Facebook | Linkedin

Eradani develops and offers cloud-based DevOps management solutions. Eradani is a provider of technology services intended to allow IBM users to leverage significant investments in IBM applications while taking advantage of the latest technology innovations.

The company’s services offer self-service dashboards, application integration, mobile, and web user experiences, enabling IBM to take advantage of the power, flexibility, and cost-effectiveness of true cloud.. .

xs:code

xs:code

Crunchbase | Website | Twitter | Facebook | Linkedin

xs:code connects companies with open source developers behind the code they use. The platform allows companies to access business-ready open source solutions directly from open source developers.

Get support, services, premium features and licenses for your project.. .

Ukama

Ukama

Crunchbase | Website | Twitter | Facebook | Linkedin

Cellular network built for you, by you

Robocorp

Robocorp

Crunchbase | Website | Twitter | Facebook | Linkedin

Robocorp is a cloud platform for robotic process automation (RPA) and open source RPA tools.

Saleor Commerce

Saleor Commerce

Crunchbase | Website | Twitter | Facebook | Linkedin

The next-generation, open-source, headless e-commerce platform. Fast.

Open. Maintainable..

Appwrite

Appwrite

Crunchbase | Website | Twitter | Facebook | Linkedin

Appwrite is an end to end BAAS platform, that cuts up to 70% of the time and costs required for building a modern web or mobile application.

Prifina

Prifina

Crunchbase | Website | Twitter | Facebook | Linkedin

Prifina is building tools that empower individuals to get superior value from their data; and user-centric data tools for developers.

Foundation Devices

Foundation Devices

Crunchbase | Website | Twitter | Facebook | Linkedin

We started Foundation Devices to make beautifully designed, open source hardware for Bitcoin and the decentralized Internet. To bring great design and UX to hardware wallets, nodes, and more.

To empower individuals to securely use and store Bitcoin while maintaining their sovereignty. To help our industry cross the chasm while staying true to its founding ideals.

We call this open hardware. And we are excited to bring it to the world!.

SeMI Technologies

SeMI Technologies

Crunchbase | Website | Twitter | Facebook | Linkedin

SeMI Technologies manages the Weaviate Cloud Service (PaaS and SaaS) and maintains the Weaviate Search Engine open-source core

Scalytics

Scalytics

Crunchbase | Website | Twitter | Facebook | Linkedin

Scalytics is the company behind the popular Open Source data processing engine Wayang. We scale wayang, driven by AI opportunistic models, over multi-cloud environments to bring the best performance and the best TCO to large BigData workloads.

Scalytics scales AI modes into productions and enables data engineers to deliver the best performance using the right tools. Wayang is a system designed to fully support cross-platform data processing.

That is, it enables users to run data analytics over multiple data processing platforms. For this, it provides an abstraction on top of existing platforms in order to run data analytic tasks on top of any set of platforms.

As a result, users can focus on the logics of their applications rather on the intricacies of the underlying platforms.. .

Presto Foundation

Presto Foundation

Crunchbase | Website | Twitter | Facebook | Linkedin

Presto is an open source distributed SQL query engine for running interactive analytic queries against data sources of all sizes ranging from gigabytes to petabytes. Presto was designed and written from the ground up for interactive analytics and approaches the speed of commercial data warehouses while scaling to the size of organizations like Facebook.

The community owned and driven Presto project is supported by the Presto Foundation, an independent nonprofit organization with open and neutral governance, hosted under the Linux Foundation®.. .

Opstrace

Opstrace

Crunchbase | Website | Twitter | Facebook | Linkedin

Private – Data stays in your network. Secure – Multi-tenant APIs with authenticated endpoints.

Cost-effective – Controllable cost, up to 10x cheaper than popular metered services.. .

EdgeDB Inc

EdgeDB Inc

Crunchbase | Website | Twitter | Facebook | Linkedin

EdgeDB is reinventing the relational database stack.

Sourceful

Sourceful

Crunchbase | Website | Twitter | Facebook | Linkedin

Sourceful is a search engine for publicly-sourced Google documents. You can find information about freelancing, parenting, covid-19 response and many other topics.

Some of those documents are very high quality and updated daily – sometimes not just by the owner but also by the public. In fact there is a sense of a community to a lot of them..

Continuous Delivery Foundation (CDF)

Continuous Delivery Foundation (CDF)

Crunchbase | Website | Twitter | Facebook | Linkedin

A Neutral Home for the Next Generation of Continuous Delivery Collaboration

Patchstack

Patchstack

Crunchbase | Website | Twitter | Facebook | Linkedin

SaaS, Web Application Security, Open Source Security

Open Lowcode

Open Lowcode

Crunchbase | Website | Twitter | Facebook | Linkedin

An open-source low-code development platform

Aerobase

Aerobase

Crunchbase | Website | Twitter | Facebook | Linkedin

Aerobase develops an open source platform for identity and access management.

MediMe Ltd.

MediMe Ltd.

Crunchbase | Website | Twitter | Facebook | Linkedin

MediMe is creating a technology platform that generates health profiling using different data sources, AI & ML.

Devstore Inc.

Devstore Inc.

Crunchbase | Website | Twitter | Facebook | Linkedin

Devstore helps developers find and use open-source packages, so they can focus on their projects.

Chordata Motion

Chordata Motion

Crunchbase | Website | Twitter | Facebook | Linkedin

Chordata is an open-source motion capture system that is flexible enough to capture from any computer (thanks to its native integration with Blender) or even straight from your smartphone! The framework is adapted for multiple use cases in thriving sectors such as virtual Reality, sports health, rehabilitation, animation, video game development or digital arts. The possibility to capture movement data form an open-source platform expands the possibilities of this technology to unimaginable frontiers.

Chordata aims at leading this technological change by providing an accessible and modular system that easily integrates with any imaginable setup.. .

Rome Labs

Rome Labs

Crunchbase | Website | Twitter | Facebook | Linkedin

Unifying the frontend development toolchain

Nayego

Nayego

Crunchbase | Website | Twitter | Facebook | Linkedin

Nayego is an innovative Team Chat, or Enterprise Instant Messaging software. Fully open source and open standards, it is fully compatible and interoperable with the XMPP/Jabber worldwide open public network.

Next generation innovations allow you to save time and money.. .

DUO

DUO

Crunchbase | Website | Twitter | Facebook | Linkedin

DUO Thermal Scanners

GraphQL Foundation

GraphQL Foundation

Crunchbase | Website | Twitter | Facebook | Linkedin

Enabling widespread adoption of GraphQL to help accelerate development and the surrounding ecosystem

The Programming Foundation

The Programming Foundation

Crunchbase | Website | Twitter | Facebook | Linkedin

Our mission is to encourage the next generation and generations to come to understand, use, and implement computer programming into their knowledge and their lives. Most students have some experience with drag and drop tools, but computer programming goes beyond the simplicity of drag and drop.

With proper education in mind, The Programming Foundation focuses on education that is based on written instruction and concise documentation of examples and processes, as well as providing students with hands-on experience working together as a team by developing free and open source software projects to aid in global disaster relief and international humanitarian aid efforts for the public good. To that end, The Programming Foundation aims to meet several goals: The Programming Foundation commits to spreading awareness and education on computer programming and operating systems so that everyone is involved, and no one is left behind while the world advances.

Our goal is for the widespread adoption of new and enhanced curriculum on computer programming and operating systems and for this knowledge to become mainstream in the general population. Without adequate instruction and training on advanced procedures in computer programming and operating systems, our children and the rest of the community will fall far behind technology.

Automation is replacing jobs at a fast rate, and education behind that technology needs to ramp up to a similar speed. One way to stay on top of the continued advancements is to educate the general population and the younger generations on computer programming and operating systems.

This education will produce a collaborative society that applies their collective knowledge toward technological innovations. We are already surrounded by devices that are smarter than the average human.

This technology is becoming more widespread every day, and our lack of proper education on the subject leaves many behind on how it works. To keep everyone on the same level and to move society at the same speed as technology advances, we need to implement far-reaching educational systems to teach and learn how these technologies work.

CHIPS Alliance

CHIPS Alliance

Crunchbase | Website | Twitter | Facebook | Linkedin

The CHIPS Alliance develops high-quality, open source hardware designs relevant to silicon devices and FPGAs. By creating an open and collaborative environment, CHIPS Alliance shares resources to lower the cost of development.

Companies and individuals can work together to develop open source CPUs, various peripherals, and complex IP blocks. CHIPS Alliance is open to all organizations who are interested in collaborating on open source hardware or software tools to accelerate the creation of more efficient and innovative chip designs..

Fledge

Fledge

Crunchbase | Website | Twitter | Facebook | Linkedin

Hosted by the Linux Foundation, Fledge is an open source framework and community for the industrial edge focused on critical operations, predictive maintenance, situational awareness and safety. Fledge is architected to integrate Industrial Internet of Things (IIoT), sensors and modern machines with the cloud and existing “brown field” systems like historians, DCS (Distributed Control Systems), PLC (Program Logic Controllers) and SCADA (Supervisory Control and Data Acquisition).

All sharing a common set of administration and application APIs. Fledge developers and operators no longer face complexity and fragmentation issues when building data management and/or advanced AI/ML IIoT applications and services.

Reliably gathering, processing, alerting, forwarding and managing sensor to cloud data is now easy, open and deployed. Industrial users and equipment providers can continue to automate and transform their plants, mines and factories.

Fledge’s modern pluggable architecture eliminates the data silos often found in operational data systems. By using a consistent set of RESTful APIs to develop, manage and secure IIoT applications, Fledge is a unified industrial data solution..

GitShip

GitShip

Crunchbase | Website | Twitter | Facebook | Linkedin

GitShip is a web-based version control system designed to make the DevOps cycle cheaper and more efficient for developers.

ScalePlan

ScalePlan

Crunchbase | Website | Twitter | Facebook | Linkedin

We develop and provide solutions using the best-in-class software and platforms in data retrieval, streaming, processing, and storage.

Plylst

Plylst

Crunchbase | Website | Twitter | Facebook | Linkedin

Plylst is a software that helps to create music playlists through the Spotify library.

Magentofx

Magentofx

Crunchbase | Website | Twitter | Facebook | Linkedin

Magentofx is a full package Magento eCommerce development company based in the USA serving worldwide customers all across the globe. We bring the intensity of Magento to convey propelled web store solutions for the customers.

We are perceived to convey high quality Magento web development services at a reasonable price. our Magento website development agency has conveyed and kept up 1000’s of effective Magento based Ecommerce stores for all business sizes.

we work with some United state’s driving retail, corporate and Government associations to assemble their user-friendly online stores and develop their online business. We have a team of expert Magento designers to convey the best online shopping gateway for any type of online business.

Our varied services include PSD To magento Conversion, Custom Magento Development, Magento Theme Customization, Magento Extension Development etc. Schedule your free consultation now!.

GitlabRunner

GitlabRunner

Crunchbase | Website | Twitter | Facebook | Linkedin

GitlabRunner is a team of programmers who build software solutions for open source projects that are used to run jobs and send the results.

Reactive Resume

Reactive Resume

Crunchbase | Website | Twitter | Facebook | Linkedin

A one-of-a-kind resume builder that keeps your privacy in mind, completely secure, customizable, portable, open-source, and free forever. Reactive Resume is a minimalistic and straightforward resume builder that focuses on clean design, user data privacy, quick ease of use, and easy resume updates.

If you are someone who cares about any of these issues, this is for you! It has a bunch of features such as customizable sections, multiple layouts, unlimited colors, custom fonts, import/export as JSON, and so much more. All focused on one thing, to help you create a better resume.

The app works entirely offline, no login necessary, no saving your data to the cloud, air-gapped for your security.. .

WorldWin Coder

WorldWin Coder

Crunchbase | Website | Twitter | Facebook | Linkedin

WorldWin Coder is an IT company specialized in open source development and services.

Written by Warren Tesla

My name is Tesla and I am the pseudonym used by The Stratup Pill's broad writing team.

About me: Founder, CEO, CTO, CFO, CMO, CISO, Director, Head of the Board, Head of the oversight board, Executive, Legal Council, Head of Hiring, HR Manager, Consultant.