Tagged: open-source
30 results
Directus
Directus is an open-source data platform that wraps any SQL database with an instant REST and GraphQL API plus a no-code admin app, letting developers and non-technical users manage content and data without building a backend from scratch. Founded on a project Ben Haynes started in 2004 and incorporated as a company in 2020, Directus has surpassed 30 million downloads and is used by organizations including Adobe, Bose, Tripadvisor, AT&T and the U.S. Navy.
Formance
Formance is an open-source financial infrastructure company that gives developers a programmable core ledger and a connectivity layer for moving money across banks, payment processors, and wallets. Its stack - Ledger, Connectivity, Flows, and Reconciliation - lets fintechs and platforms track every asset movement with double-entry precision, orchestrate payments across providers, and automatically reconcile internal records against external statements. Founded in 2021 and backed by PayPal Ventures and Portage, Formance positions itself as building-block infrastructure for the 'financial internet' rather than a payment processor that touches customer funds.
CivicActions
CivicActions is a fully remote digital services firm that helps U.S. federal, state, and local government agencies modernize the technology behind public services. Founded in 2004 by Henry Poole and Aaron Pava, the company pairs free and open-source software - especially Drupal - with agile delivery, DevSecOps, human-centered design, and accessibility expertise to rebuild legacy government websites and platforms. Guided by the values of Balance, Openness, and Care, CivicActions has served agencies including Veterans Affairs, the FCC, the National Science Foundation, and the State of Georgia while contributing heavily back to the open-source communities its work depends on.
Appsmith
Appsmith is an open-source, low-code platform that lets developers quickly build internal tools - admin panels, dashboards, CRUD apps, and workflow automations - by dragging pre-built UI widgets onto a canvas and wiring them to databases and APIs with JavaScript. Founded in 2019 by Abhishek Nayak, Arpit Mohan, and Nikhil Nandagopal, the company positions itself as the developer-first, self-hostable alternative to closed platforms like Retool, and has expanded into AI-powered agents that give business teams context-aware automation on top of their own data.
Gilad Shainer
Gilad Shainer is Senior Vice President of Networking at NVIDIA, where he leads the strategy, marketing, and ecosystem development for the company's networking portfolio — including InfiniBand, Ethernet, DPUs, and interconnect technologies that power more than half the world's top 500 supercomputers. A Technion-trained electrical engineer who graduated Cum Laude at both B.Sc. and M.Sc. levels, Shainer spent nearly two decades at Mellanox Technologies before joining NVIDIA via the $6.9 billion acquisition in 2020. He founded the HPC-AI Advisory Council in 2008, which now spans 400+ organizations globally, co-founded the ISC Student Cluster Competition, holds two R&D 100 Awards (2015 and 2019), and has authored or co-authored dozens of papers across IEEE, ACM, and Springer venues. At a moment when AI factories are rewriting the rules of data center design, Shainer is the person making sure the wires — and the protocols running through them — are ready.
Mattermost
Mattermost is an open-source, self-hostable collaboration platform built for organizations that cannot put their conversations in someone else's cloud. Started as a game studio's internal chat tool and open-sourced in 2015, it grew into the leading self-hosted alternative to Slack and Microsoft Teams, combining channel messaging, voice and screen sharing, incident-response Playbooks, and integrated AI agents. Its customers skew toward defense, government, financial services, and technology organizations - from the U.S. Air Force to Uber - that need data sovereignty, air-gapped deployment, and government-grade security.
Traefik Labs
Traefik Labs builds the cloud-native networking layer that sits between your users and your services. Its flagship open-source Traefik Proxy - downloaded more than 3 billion times - auto-discovers containers and routes traffic without hand-written config, and its commercial Traefik Hub extends that into a unified 'Triple Gate' platform covering API, AI, and MCP traffic. Founded in France in 2016 and now headquartered in San Francisco, the company's stated goal is to make networking boring: reliable enough that developers stop thinking about it.
Patti Soch
Patti Soch is the Chief Executive Officer of Liquibase, an Austin-based database DevOps company that started life as Datical. She joined in 2016 as CFO after finance leadership roles at Gazzang (acquired by Cloudera), Phurnace Software (acquired by BMC), and Tango Health, and stepped into the CEO seat in 2022. She is known for an inclusive, transparent leadership style and for pushing Liquibase's open-source database change management platform into enterprise and public-sector accounts.
Robert Brennan
Robert Brennan is co-founder and CEO of All Hands AI, the company behind OpenHands, an MIT-licensed open source platform for AI coding agents that started life in 2024 as an OpenDevin fork built in 24 hours after Cognition's Devin demo. A former Google search engineer who patented an answer-extraction algorithm shipped inside Google Search in 2013, Brennan later founded DataFire and led open source at Fairwinds before helping launch OpenHands with Xingyao Wang and Graham Neubig. The company has raised roughly $23.8M total across a $5M Menlo-led seed and an $18.8M Series A led by Madrona in November 2025.
DBOS, Inc.
DBOS, Inc. is a San Francisco- and Cambridge-based developer infrastructure company commercializing durable execution technology born from a joint MIT-Stanford research project led by Postgres creator Michael Stonebraker and Apache Spark creator Matei Zaharia. Its flagship open-source library, DBOS Transact, adds crash-proof workflow orchestration and built-in observability to ordinary Python and TypeScript programs by persisting application state in Postgres, so software resumes exactly where it left off after a failure - without a separate workflow server. The company pairs the library with DBOS Conductor and DBOS Cloud for managing and hosting reliable backends, AI agents, and long-running workflows.
Orama
Orama is an open-source search company building an 'answer engine' for developers - a lightweight, high-performance stack that bundles full-text, vector, and hybrid search with automatic embedding generation and built-in LLMs. Started as the open-source project Lyra and incorporated as OramaSearch Inc. in 2023 by Issac Roth and Michele Riva, its core library ships in under 2KB and runs in the browser, on servers, or at the edge. Orama powers site search and AI answers for developer platforms including nodejs.org, tanstack.com, and solidjs.org, and its OramaCore runtime packages a search engine, vector database, and LLM interface into one deployable unit.
Swyx (Shawn Wang) & Alessio Fanelli
Swyx (Shawn Wang) and Alessio Fanelli are the co-hosts of Latent Space, the #1 AI Engineering podcast and newsletter with 200,000+ subscribers and 10M+ total readers. Swyx — a former Singapore hedge fund trader turned developer advocate who coined the term 'AI Engineer' — and Alessio — a Forbes 30 Under 30 VC partner and Rome-born dropout-turned-engineer — together define the curriculum and culture of a generation of engineers building with AI.
Medplum
Medplum is an open-source, API-first, FHIR-native healthcare developer platform - a 'Firebase for Healthcare' that gives engineers a HIPAA- and SOC2-ready backend so they can ship custom EHRs, patient portals, and clinical workflows without rebuilding the plumbing.
MindsDB
MindsDB is an open-source AI data platform that lets developers connect, unify, and query structured and unstructured data across 200+ sources using SQL and natural language - turning any database into an AI-ready system without moving data.
SORINT.lab
SORINT.lab is a multinational, vendor-neutral 'Next Generation System Integrator' founded in Bergamo, Italy in 1985. With roughly 1,500 engineers across 17 offices in Europe, the USA and Africa, it helps over 100 large organizations run and modernize their IT through DevOps, CI/CD, cloud adoption, application modernization, next-generation IT operations and site reliability engineering. The company is a notable open-source contributor (Agola, Stolon, Ercole, Sircles) and runs on a flat, holacracy-style 'Sircles' organizational model.
Benjamin Encz
Benjamin Encz is the CEO and Co-Founder of Ashby, a San Francisco-based AI-native recruiting platform used by companies like OpenAI, Shopify, and Snowflake. A German-born software engineer turned recruiting-infrastructure builder, he spent 80% of his time on recruiting operations as Director of Engineering at PlanGrid before co-founding Ashby in 2018. Under his leadership, Ashby has grown to 2,700+ customers, 380 employees, and $142.5M in total funding including a $50M Series D in 2025.
ACEINNA
ACEINNA is a Massachusetts-based MEMS sensor company building high-performance, low-cost inertial measurement units (IMUs), GNSS/RTK precision-navigation systems, current sensors, and flow sensors. Spun out of MEMSIC in 2017 with a roughly $50M investment, ACEINNA is best known for its open-source OpenIMU platform and for shipping centimeter-accurate positioning solutions for autonomous vehicles and ADAS at a fraction of the price of legacy systems.
Mastra
Mastra is an open-source TypeScript framework for building production-ready AI agents, workflows, and retrieval-augmented generation pipelines. Built by the team behind Gatsby, it gives developers agents, durable workflows, memory, RAG, tool calling, evals, and observability in one stack - so JavaScript and TypeScript engineers can move from prototype to production without leaving their language. Mastra is developed by Kepler Software, a San Francisco startup, and reached 25,000+ GitHub stars and 300,000+ weekly npm downloads with adoption at companies like Brex, Sanity, Replit, and PayPal.
ParadeDB
ParadeDB is an open-source PostgreSQL extension that brings Elasticsearch-quality full-text search and analytics directly into Postgres, removing the need to copy data into a separate search engine. Built in Rust on the Tantivy library, its pg_search extension delivers BM25-ranked search, faceting, and columnar analytics while preserving Postgres ACID guarantees and avoiding the brittle ETL pipelines that connect Postgres to Elasticsearch. Founded in 2023 by Philippe Noel and Ming Ying and backed by Y Combinator and Craft Ventures, ParadeDB raised a $12M Series A in 2025 and counts Alibaba, Modern Treasury, and Bilt Rewards among its users.
LanceDB
LanceDB builds the data backbone for multimodal AI. Its open-source Lance columnar format and lakehouse let teams store, search, and train on text, images, video and embeddings in one system - replacing the brittle stack of Parquet files, vector stores and feature pipelines that AI teams usually stitch together. Used by Midjourney, Runway, Character.AI, WeRide and others, LanceDB raised a $30M Series A in 2025, bringing total funding to roughly $41M.
Philippe Noël
Philippe Noël is the co-founder and CEO of ParadeDB, an open-source Postgres extension that brings Elasticsearch-grade full-text search and analytics directly into the database, eliminating the brittle ETL pipelines companies build to sync Postgres with a separate search engine. A Harvard computer science and economics graduate raised in rural Quebec, he previously co-founded the cloud-browser startup Whist before pivoting into ParadeDB during a contracting stint. In 2025 ParadeDB raised a $12M Series A led by Craft Ventures, with customers including Alibaba, Modern Treasury, and Bilt Rewards.
John Sundell
John Sundell is a Swift and Rust developer, writer and podcaster who runs Swift by Sundell, a weekly publication of articles, tips, podcasts and videos read in well over a hundred countries. A former lead iOS developer at Spotify, he went indie to build apps, games and a stack of widely used open-source developer tools - including the static site generator Publish, the type-safe HTML DSL Plot, the Markdown parser Ink and the syntax highlighter Splash. He is based in Gdansk, Poland.
GitLab
GitLab is an AI-powered DevSecOps platform that brings the entire software development lifecycle - planning, source code management, CI/CD, security, and deployment - into a single application. Born as an open-source alternative to GitHub in 2011 and run as one of the world's largest all-remote companies, GitLab now serves enterprises and millions of developers, trades on Nasdaq under GTLB, and is pushing into agentic AI development with GitLab Duo.
Alex Reibman
Alex Reibman is the Co-Founder and CEO of AgentOps (Agency), a San Francisco-based developer platform for building, testing, and monitoring AI agents. A 17-time hackathon champion with 10+ years of machine learning experience, he previously led ML engineering at Ernst & Young on $40M+ engagements for clients like Goldman Sachs and American Express, co-founded Menubites.ai (acquired by Snappr in 2023), and worked as a cybersecurity data scientist. AgentOps raised a $2.6M pre-seed in August 2024 and serves enterprise clients including Microsoft, Google, Samsung, and Meta. He studied Economics and Philosophy at Emory University and won the 2024 Emory Entrepreneur Award.
Anyscale
Anyscale is the company behind Ray, the open-source distributed computing framework used to train and serve some of the world's largest AI systems. Founded by the creators of Ray at UC Berkeley's RISELab, Anyscale provides a managed compute platform that lets enterprises scale Python and AI workloads across any cloud, with the performance of bare metal and the ergonomics of a notebook.
Arize AI
Arize AI builds the observability layer for AI - a platform engineers use to trace, evaluate, and debug models, agents, and LLMs running in production. Its open-source Phoenix library and enterprise platform are used by companies like Uber, DoorDash, Instacart, Reddit, Booking.com, and Duolingo to make AI systems work in the real world.
ClickHouse
ClickHouse is the open-source columnar database engineered for real-time analytics on petabyte-scale data. Born inside Yandex in 2009 and spun out as ClickHouse, Inc. in 2021, it now powers analytics for Anthropic, Tesla, Sony, Meta, Lyft, and roughly 3,000 other paying customers as a managed cloud service.
Daily
Daily is a San Francisco developer platform for real-time voice, video, and AI. Founded in 2016 by Kwindla Hultman Kramer and Nina Kuruvilla, the company runs a global WebRTC mesh that powers video calling for products like Pitch, AppFolio, Kumospace, and HotDoc, and it created Pipecat - the open-source orchestration framework now used as the backbone for production voice agents at companies like NVIDIA, Cresta, and Epic.
Docker, Inc.
Docker, Inc. builds the toolchain that put containers into the daily vocabulary of software development. From Docker Desktop to Docker Hub to Docker Scout, the company helps roughly 20 million developers package, share, and run applications anywhere - and is now extending that same packaging logic to AI models and agents.
Kyligence
Kyligence is the company behind Apache Kylin, the open-source OLAP engine for big data. Founded in 2016 by the project's original creators, it now sells an AI-powered metrics platform and a copilot that lets non-technical employees chat with their business numbers instead of writing SQL.