Top OPENSOURCE Startups

Strapi

The leading open-source headless CMS

opensource France Paris

Open WebUI

ChatGPT-style UI for any LLM

ClickHouse

The fastest OLAP database in the world

Excalidraw

Virtual whiteboard for sketching hand-drawn diagrams

Immich

Self-hosted Google Photos replacement

CockroachDB

Distributed SQL that survives anything

opensource France Fontainebleau

Traefik

The cloud-native application proxy

Plausible Analytics

Privacy-first Google Analytics alternative

opensource Estonia Tallinn

Hasura

Instant GraphQL and REST APIs on your data

opensource Hungary Remote

Coolify

Self-host Heroku and Netlify on your own server

Uptime Kuma

Self-hosted monitoring tool like UptimeRobot

opensource Hong Kong Hong Kong

MinIO

High-performance S3-compatible object storage

opensource USA Redwood City

AppFlowy

Open source Notion alternative

opensource USA Sunnyvale

Mattermost

Open source Slack alternative for developers

opensource USA Palo Alto

Portainer

Container management made simple

opensource New Zealand Auckland

opensource China Shenzhen

LobeChat

Modern open source ChatGPT UI framework

Mermaid Chart

Diagrams and charts as code

opensource Sweden Stockholm

Medusa

Building blocks for digital commerce

opensource Denmark Copenhagen

Stirling PDF

Self-hosted PDF manipulation toolkit

opensource UK Remote

TimescaleDB

Time-series SQL built on Postgres

Gitea

Painless self-hosted all-in-one software development

Langflow

Visual framework for building multi-agent AI apps

Trivy

All-in-one open source security scanner

LiteLLM

Call 100+ LLMs with one interface

Outline

Fast, collaborative, wiki-style knowledge base

Maybe Finance

Open source personal finance and wealth management

opensource USA Austin

SurrealDB

The ultimate multi-model database

opensource India Bengaluru

Nuclei

Fast and customizable vulnerability scanner

opensource Singapore Singapore

Flowise

Drag-and-drop UI to build LLM flows

Umami

Simple, fast, privacy-focused web analytics

opensource India Bengaluru

Bruno

Open source IDE for exploring APIs

Logseq

Networked notes and knowledge graph

Paperless-ngx

Document management that feels magical

opensource Global Remote

Unleash

The enterprise open source feature management solution

opensource Norway Oslo

Zulip

Organized team chat that does not interrupt you

Mautic

Open source marketing automation platform

OpenBB

Open source investment research terminal

tldraw

A tiny little drawing app and SDK

opensource Poland Wrocław

Saleor

Open source GraphQL-first e-commerce platform

PhotoPrism

AI-powered photo manager with private cloud

opensource Germany Berlin

EdgeDB

A next-generation relational database

Continue

Open source AI code assistant for any LLM

opensource Germany Munich

Ory

Cloud native identity and access management

Actual Budget

Local-first personal budgeting app

GrowthBook

Open source feature flagging and A/B testing

Monica

Personal CRM to remember your relationships

opensource France Paris

LanceDB

Multimodal vector database for AI

Grist

Modern relational spreadsheet with database power

Authentik

Open source identity provider that just works

opensource India Bengaluru

Listmonk

Self-hosted newsletter and mailing list manager

Huly

All-in-one project management platform

Screenpipe

Open source AI-powered screen and audio recorder

opensource France Paris

OpenMetadata

Open standard for metadata and data discovery

opensource USA San Jose

SuperTokens

Open source authentication that is 10x easier

Flagsmith

Feature flags and remote config for any platform

Headscale

Open source self-hosted Tailscale control server

opensource Sweden Remote

Postal

Full-featured open source mail delivery server

DeepEval

The open source LLM evaluation framework

Taiga

Free open source agile project management tool

opensource Spain Madrid

opensource Hong Kong Hong Kong

Bytebase

Database DevOps and CI/CD for teams

RisingWave

Streaming SQL for real-time analytics

OpenObserve

Open source observability with 140x lower storage costs

OpenReplay

Open source session replay and debugging suite

opensource Australia Sydney

KeystoneJS

The superpowered Node.js headless CMS

Memos

Lightweight, self-hosted memo hub

opensource China Remote

Steampipe

SQL for cloud APIs and infrastructure

opensource USA Atlanta

Composio

Integration platform for AI agents

opensource Germany Berlin

NetBird

Zero-trust networking built on WireGuard

Notesnook

End-to-end encrypted notes app

opensource Pakistan Islamabad

opensource Switzerland Zurich

Zitadel

Identity infrastructure for your next project

Plandex

Open source AI coding agent for large projects

opensource Canada Montreal

Caido

A lightweight web security auditing toolkit

Docmost

Open source Confluence and Notion alternative

opensource Denmark Copenhagen

TinaCMS

Visual editing for your Git-backed website

opensource Canada Ottawa

Garden

Dev environments and CI/CD for Kubernetes teams

OneUptime

Open source observability and on-call platform

Firezone

Open source WireGuard-based VPN and access gateway

Opik

Open source LLM evaluation and tracing

HyperDX

Open source observability platform

Vendure

A headless GraphQL e-commerce framework

opensource UK Edinburgh

opensource Germany Munich

DevPod

Open source dev containers on any infrastructure

Mathesar

Database UI as intuitive as a spreadsheet

Flipt

Enterprise-ready, open source feature management

SuperAgent

Open source AI agent platform

opensource Singapore Singapore

Rallly

Open source scheduling and meeting polls

Vikunja

The open source to-do app

opensource Germany Remote

BoxyHQ

Enterprise SSO and directory sync in minutes

GlitchTip

Open source error tracking

opensource Germany Remote

Woodpecker CI

Simple yet powerful CI/CD engine with great extensibility

Dittofeed

Open source customer engagement platform

Stalwart

Secure and modern open source mail server

opensource Germany Remote

Leantime

Open source project management for non-project managers

opensource Australia Sydney

Keystatic

Git-based CMS for your code editor and GitHub

opensource Sweden Stockholm

OpenPanel

Open source analytics for product and marketing teams

OpenLIT

Open source LLM observability and evaluation

Pangolin

Self-hosted tunneled reverse proxy with auth