Open-source startups

Open Source Startups

The home of open-source-first commercial startups.

ClickHouse

Real-time analytics database, open source.

Grafana Labs

Observability for everyone, everywhere.

Cal.com

Open-source scheduling infrastructure.

PostHog

The single platform to analyze, test, observe, and deploy.

Plausible Analytics

Privacy-first Google Analytics alternative.

n8n

Workflow automation for technical people.

Appwrite

Open-source backend as a service.

Strapi

The leading open-source headless CMS.

Astral

Python tooling, redesigned for speed.

Pydantic

The Python data validation library, used by everyone.

Dagger

The CI/CD engine that runs anywhere.

Documenso

The open-source DocuSign alternative.

Drizzle ORM

The TypeScript ORM that's faster, smaller, and SQL-like.

Weaviate

Open-source vector database.

Zed

The editor for what's next.

Infisical

The open-source secret manager.

Trigger.dev

The open-source background jobs framework.

Polar

Open-source funding & monetization.

Ghost

Independent technology for modern publishing.

Metabase

The easiest way to let your team explore your data.

Cube

The semantic layer for the AI-era of data.

Payload

The TypeScript-first headless CMS.

SigNoz

Open-source APM, logs, traces, metrics.

Langfuse

Open-source LLM engineering platform.

Yugabyte

The distributed SQL database for cloud-native apps.

Airbyte

Open-source data movement platform.

dbt Labs

Transform data in your warehouse.

tldraw

Build whiteboards into your product.

Unkey

Open-source API authentication and authorization.

Medusa

Open-source headless commerce platform.

TinaCMS

The open-source headless CMS for the Jamstack.

Baserow

Open-source no-code database.

NocoDB

The open-source Airtable alternative.

Directus

The instant headless CMS + data platform.

ToolJet

Open-source low-code platform for internal tools.

Appsmith

Open-source platform to build admin panels, dashboards.

Sysdig

The cloud-native runtime security platform.

SurrealDB

The ultimate multi-model database

EdgeDB

A next-generation relational database

TimescaleDB

Time-series SQL built on Postgres

LanceDB

Multimodal vector database for AI

MinIO

High-performance S3-compatible object storage

RisingWave

Streaming SQL for real-time analytics

CockroachDB

Distributed SQL that survives anything

Zitadel

Identity infrastructure for your next project

Authentik

Open source identity provider that just works

Ory

Cloud native identity and access management

BoxyHQ

Enterprise SSO and directory sync in minutes

SuperTokens

Open source authentication that is 10x easier

Keystatic

Git-based CMS for your code editor and GitHub

TinaCMS

Visual editing for your Git-backed website

KeystoneJS

The superpowered Node.js headless CMS

Plausible Analytics

Privacy-first Google Analytics alternative

Umami

Simple, fast, privacy-focused web analytics

OpenReplay

Open source session replay and debugging suite

HyperDX

Open source observability platform

OpenPanel

Open source analytics for product and marketing teams

Listmonk

Self-hosted newsletter and mailing list manager

Dittofeed

Open source customer engagement platform

Mattermost

Open source Slack alternative for developers

Zulip

Organized team chat that does not interrupt you

Coolify

Self-host Heroku and Netlify on your own server

Portainer

Container management made simple

Traefik

The cloud-native application proxy

Gitea

Painless self-hosted all-in-one software development

Woodpecker CI

Simple yet powerful CI/CD engine with great extensibility

Garden

Dev environments and CI/CD for Kubernetes teams

DevPod

Open source dev containers on any infrastructure

GrowthBook

Open source feature flagging and A/B testing

Flagsmith

Feature flags and remote config for any platform

Flipt

Enterprise-ready, open source feature management

Unleash

The enterprise open source feature management solution

Medusa

Building blocks for digital commerce

Saleor

Open source GraphQL-first e-commerce platform

Vendure

A headless GraphQL e-commerce framework

Nuclei

Fast and customizable vulnerability scanner

Trivy

All-in-one open source security scanner

Caido

A lightweight web security auditing toolkit

Bytebase

Database DevOps and CI/CD for teams

Open WebUI

ChatGPT-style UI for any LLM

LobeChat

Modern open source ChatGPT UI framework

LiteLLM

Call 100+ LLMs with one interface

OpenLIT

Open source LLM observability and evaluation

Opik

Open source LLM evaluation and tracing

DeepEval

The open source LLM evaluation framework

Flowise

Drag-and-drop UI to build LLM flows

Langflow

Visual framework for building multi-agent AI apps

Continue

Open source AI code assistant for any LLM

Bruno

Open source IDE for exploring APIs

Hasura

Instant GraphQL and REST APIs on your data

Excalidraw

Virtual whiteboard for sketching hand-drawn diagrams

Mermaid Chart

Diagrams and charts as code

AppFlowy

Open source Notion alternative

Outline

Fast, collaborative, wiki-style knowledge base

Logseq

Networked notes and knowledge graph

Notesnook

End-to-end encrypted notes app

Memos

Lightweight, self-hosted memo hub

Uptime Kuma

Self-hosted monitoring tool like UptimeRobot

GlitchTip

Open source error tracking

OneUptime

Open source observability and on-call platform

OpenObserve

Open source observability with 140x lower storage costs

Maybe Finance

Open source personal finance and wealth management

Actual Budget

Local-first personal budgeting app

OpenBB

Open source investment research terminal

Immich

Self-hosted Google Photos replacement

PhotoPrism

AI-powered photo manager with private cloud

Paperless-ngx

Document management that feels magical

Stirling PDF

Self-hosted PDF manipulation toolkit

Mathesar

Database UI as intuitive as a spreadsheet

OpenMetadata

Open standard for metadata and data discovery

Steampipe

SQL for cloud APIs and infrastructure

Monica

Personal CRM to remember your relationships

Rallly

Open source scheduling and meeting polls

Huly

All-in-one project management platform

Leantime

Open source project management for non-project managers

Taiga

Free open source agile project management tool

Grist

Modern relational spreadsheet with database power

NetBird

Zero-trust networking built on WireGuard

Firezone

Open source WireGuard-based VPN and access gateway

Headscale

Open source self-hosted Tailscale control server

Pangolin

Self-hosted tunneled reverse proxy with auth

Plandex

Open source AI coding agent for large projects

Screenpipe

Open source AI-powered screen and audio recorder

Composio

Integration platform for AI agents

SuperAgent

Open source AI agent platform

Postal

Full-featured open source mail delivery server

Stalwart

Secure and modern open source mail server

Mautic

Open source marketing automation platform

Vikunja

The open source to-do app

Docmost

Open source Confluence and Notion alternative

Grafana

The open observability platform