Show HN: Open-sourced alternatives to every SaaS tool

Stop overpaying for SaaS subscriptions. Find free, self-hosted replacements for Google Analytics, Slack, Notion, Shopify and 50+ more — deploy with Docker in minutes.

488+

Open Source Tools

40+

SaaS Replaced

25

Categories

20+

License Types

Browse by alternative

1PasswordAdobe AcrobatBraze / KlaviyoBugsnag / RollbarCalendlyContentfulDatadogDocker HubDocuSignEvernoteFeedlyFirebaseGitHubGitHub ActionsGoogle AnalyticsGoogle DocsGoogle DriveGoogle Drive / DropboxGoogle PhotosHerokuHeroku / VercelIntercomJiraMailchimpMedium / SubstackNordVPNOkta / Auth0PingdomPlex / NetflixPocketPocket / InstapaperPushoverQuickBooksSAP / QuickBooksSpotifyTableau / LookerTodoist / JiraTrelloZapierZoom

Trending This Month

awesome-selfhosted

File Storage

329.1k

A list of Free Software network services and web applications which can be hosted on your own servers

Oct 2026GitHub

n8n

File Storage

208.3k

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Oct 2026GitHub

open-webui

Backend / BaaS

156.4k

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Oct 2026GitHub

immich

Media & Photos

116.9k

High performance self-hosted photo and video management solution.

AGPL-3.0

Oct 2026GitHub

Stirling-PDF

DevOps & Git

94.7k

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

Oct 2026GitHub

uptime-kuma

Notes & Docs

92.7k

A fancy self-hosted monitoring tool

MITDocker

Oct 2026GitHub

All Open-Source Tools

All stars48810k+ stars1061k+ stars473500+ stars474100+ stars477

File Storage82Notes & Docs55Chat & Messaging47Analytics49DevOps & Git36Backend / BaaS35Database30Other19CMS & Blogging18Media & Photos16Project Management17Home Automation11CRM & Marketing9Productivity10Monitoring9Auth & Security7E-commerce & ERP6Networking4Email4Forms & Surveys3Deployment & Hosting2Automation1Finance1Media & Video1Business Intelligence1

Showing 24 of 473 tools

329.1k

A list of Free Software network services and web applications which can be hosted on your own servers

Oct 2026GitHub

n8n

File Storage

208.3k

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Oct 2026GitHub

open-webui

Backend / BaaS

156.4k

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Oct 2026GitHub

immich

Media & Photos

116.9k

High performance self-hosted photo and video management solution.

AGPL-3.0

Oct 2026GitHub

Stirling-PDF

DevOps & Git

94.7k

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

Oct 2026GitHub

uptime-kuma

Notes & Docs

92.7k

A fancy self-hosted monitoring tool

MITDocker

Oct 2026GitHub

unsloth

Chat & Messaging

78.4k

Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4.1, MiniMax-H3, Gemma 4, FLUX and more.

Apache-2.0

Oct 2026GitHub

memos

CMS & Blogging

64.0k

Memos is an open-source, self-hosted note-taking app that brings your everyday thoughts together in a personal timeline. Your data stays yours, and you choose what to keep private or share.

MITDocker

Oct 2026GitHub

coolify

Database

63.4k

An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 360+ one-click services on your own servers.

Apache-2.0Docker

Oct 2026GitHub

serviette

Database

58.8k

A no-code RAG server that keeps answers in sync with your documents. Works with 8 vector databases. Built on Pathway.

MIT

Oct 2026GitHub

gitea

DevOps & Git

58.6k

Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD

MIT

Oct 2026GitHub

appwrite

Chat & Messaging

57.7k

The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more

BSD-3-ClauseDocker

Oct 2026GitHub

ClickHouse

Analytics

50.5k

ClickHouse® is a real-time analytics database management system

Apache-2.0

Oct 2026GitHub

nanobot

Chat & Messaging

49.3k

Ultra-lightweight, open-source, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, multi-agent workflows, automation, and chat apps

MIT

Oct 2026GitHub

gogs

Database

47.9k

The painless way to host your own Git service

MITDocker

Oct 2026GitHub

siyuan

Notes & Docs

46.9k

An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 开源、隐私优先、自托管的知识工作空间，让人与智能体在此协作

AGPL-3.0

Oct 2026GitHub

jan

Chat & Messaging

45.0k

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

Oct 2026GitHub

reactive-resume

Other

44.7k

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

MIT

Oct 2026GitHub

ToolJet

Project Management

41.1k

Open-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Claude Code, Codex and Cursor over MCP 🚀

AGPL-3.0Docker

Oct 2026GitHub

appsmith

Database

41.1k

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

Apache-2.0

Oct 2026GitHub

photoprism

File Storage

40.3k

AI-Powered Photos App 🌈💎✨

Oct 2026GitHub

Trilium

Notes & Docs

38.4k

Build your personal knowledge base with Trilium Notes

AGPL-3.0

Oct 2026GitHub

dokploy

Database

37.9k

Open Source Alternative to Vercel, Netlify and Heroku.

Oct 2026GitHub

khoj

Chat & Messaging

37.8k

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.