Niche — Open Source
Open-source startups
Open-source-first commercial startups — from infrastructure to applications.
- 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
- ClickHouse
The fastest OLAP database in the world
- 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
- Strapi
The leading open-source headless CMS
- 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
- tldraw
A tiny little drawing app and SDK
- 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