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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr Flow
CapCutGrok BotSuperhumanAirtableMuse

Featured

Omnara

Sponsored

Alternative toCClaude Managed Agents

Open-source agent deployment API. Self-host or use Omnara Cloud.

  • 2,957 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

CleanYourTV

Alternative toATV Launcher Pro

Debloat any Android or Google TV over Wi-Fi and get an Apple TV-style home.

  • 24,233 GitHub stars
  • MIT LicenseLicence MIT License

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 101,267 GitHub stars
  • MITLicence MIT
  • #AI Agents

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

AI-powered reverse engineering for binaries, apps, and assemblies.

  • 372,155 GitHub stars
  • MITLicence MIT

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 59,346 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

rakazo

Sponsored

Alternative toGrok Bot

AI teammates you own: your keys, your model, your machine.

  • 5,406 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 106,516 GitHub stars
  • MITLicence MIT
  • #AI Agents

Buzz

Alternative toSlack

Self-hosted team chat where people and AI agents work together

  • 36,286 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

Spotifast

Alternative toSpotify Premium

Spotify, native and fast, for Linux, macOS, and Windows.

  • 8,903 GitHub stars
  • MITLicence MIT
  • #macOS

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,787 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

OpenClaw

Alternative toMuse

Self-hosted AI assistant for WhatsApp, Telegram, and more

  • 392,852 GitHub stars
  • MITLicence MIT
  • #AI Agents

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 208,379 GitHub stars

Feature your product

Your product on a Featured card across the site.

Get featured

Trending open source projects this week

The projects gaining the most GitHub stars in the last seven days.

As of 24 Oct 2026

  1. 0101+59,595 stars this week

    REA (Reverse Engineer Anything)

    Featured

    AI-powered reverse engineering for binaries, apps, and assemblies.

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +59,595 stars this week373,734 GitHub stars
  2. 0202+11,461 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +11,461 stars this week42,337 GitHub stars
  3. 0303+9,407 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +9,407 stars this week83,502 GitHub stars
  4. 0404+8,325 stars this week

    Ponytail

    The lazy senior dev for your AI agent

    InAI & Machine Learning

    InAI & Machine Learning

    +8,325 stars this week174,868 GitHub stars
  5. 0505+8,118 stars this week

    orca

    The ultimate IDE for coding agents

    Alternative toConductor

    Alternative toConductor

    +8,118 stars this week104,001 GitHub stars
  6. 0606+6,323 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +6,323 stars this week301,873 GitHub stars
  7. 0707+5,953 stars this week

    graphify

    Turn your codebase into a knowledge graph your AI can trace and cite.

    Alternative toAtlassian Code Context

    Alternative toAtlassian Code Context

    +5,953 stars this week133,950 GitHub stars
  8. 0808+4,806 stars this week

    OpenCode

    OpenCode is an open-source AI coding agent that assists developers in

    Alternative toClaude Code

    Alternative toClaude Code

    +4,806 stars this week220,678 GitHub stars
  9. 0909+4,628 stars this week

    hyperframes

    Turn HTML and CSS into rendered MP4 videos, built for AI agents.

    Alternative toRemotion

    Alternative toRemotion

    +4,628 stars this week70,879 GitHub stars
  10. 1010+4,510 stars this week

    ECC

    Cross-harness skills, agents, and security for AI coding

    InAI & Machine Learning

    InAI & Machine Learning

    +4,510 stars this week287,413 GitHub stars

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Open source alternative guides

Long, ranked guides to open source software alternatives, each reviewed and dated by our editors.

Browse all 11 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode220,523 GitHub stars
  2. 2oh-my-pi36,350 GitHub stars
  3. 3kilocode27,723 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift363 GitHub stars
  2. 2OpenProject16,584 GitHub stars
  3. 3Plane61,335 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy77,685 GitHub stars
  2. 2AFFiNE73,772 GitHub stars
  3. 3Outline41,041 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,416 GitHub stars
  2. 2Rocket.Chat46,304 GitHub stars
  3. 3Zulip26,098 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,536 GitHub stars
  2. 2OpenProject16,584 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy34,459 GitHub stars
  2. 2VoiceInk6,907 GitHub stars
  3. 3FluidVoice12,428 GitHub stars
Read the Wispr Flow guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat10,813 GitHub stars
  2. 2OpenCut95,798 GitHub stars
  3. 3Shotcut15,481 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo5,406 GitHub stars
  2. 2OpenMausBot5,504 GitHub stars
  3. 3OpenBot6,875 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,787 GitHub stars
  2. 2Macro4,865 GitHub stars
  3. 3Mailspring17,938 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,639 GitHub stars
  2. 2Budibase 28,345 GitHub stars
  3. 3ToolJet41,122 GitHub stars
Read the Airtable guide →

Muse open source alternatives

5 ranked · reviewed 18 Oct
  1. 1OpenClaw392,852 GitHub stars
  2. 2Hermes Agent256,492 GitHub stars
  3. 3rakazo5,406 GitHub stars
Read the Muse guide →

Popular and new self-hosted open source projects

The most starred open source alternatives to paid software, then the newest additions. Each one is free to install or self-host.

Browse recently added projects

MiroFish

InAI & Machine Learning

Multi-agent simulation engine that predicts real-world outcomes

  • 80,960 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Hoppscotch

Alternative toPostman

Open source Postman alternative for REST and GraphQL testing

  • 80,678 GitHub stars
  • MITLicence MIT
  • #API Client

screenshot-to-code

Alternative toGoogle Stitch

Turn any design screenshot into clean, working code with AI

  • 80,664 GitHub stars
  • MITLicence MIT

OmniRoute

Alternative toOpenRouter

352-provider AI gateway with automatic fallback and token compression

  • 79,695 GitHub stars
  • MITLicence MIT
  • #LLM

RuFlo

Alternative toConductor

Deploy intelligent AI agents with ease.

  • 78,648 GitHub stars
  • MITLicence MIT
  • #AI Agents

Unsloth

Alternative toTogether AI

Train LLMs locally without code using a browser-based interface

  • 78,470 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

OBS Studio

Alternative tovMix

Record and stream with multi-source scenes and hardware encoding

  • 77,971 GitHub stars
  • GPL-2.0Licence GPL-2.0
  • #Video

AppFlowy

Alternative toNotion

Open source Notion alternative with AI, self-hosted

  • 77,685 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

headroom

Alternative toThe Token Company

Compress LLM context before it reaches the model

  • 77,613 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Grafana

Alternative toDatadog

Open source dashboards for metrics, logs, and traces

  • 77,452 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Monitoring

Redis

Alternative toAmazon ElastiCache for Redis

High-performance open source in-memory data structure store

  • 77,074 GitHub stars
  • #Database

career-ops

Alternative toAIApply

AI job search agent that scores listings and tailors CVs locally.

  • 76,816 GitHub stars
  • MITLicence MIT

Apache Superset

Alternative toMicrosoft Power BI

Open source data visualization and BI exploration tool

  • 75,268 GitHub stars
  • Apache-2.0Licence Apache-2.0

codegraph

Alternative toAtlassian Code Context

Transform codebases into queryable knowledge graphs

  • 75,057 GitHub stars
  • MITLicence MIT

Ziwei Doushu

NEW

InWeb & App Development

Open source Zi Wei Dou Shu engine and 675K-chart dataset

  • 6,866 GitHub stars
  • MITLicence MIT

OpenBB

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Open source AI research workspace for financial analysis

  • 74,512 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

AFFiNE

Alternative toNotion

Local-first workspace combining docs, whiteboards, and notes

  • 73,772 GitHub stars
  • MITLicence MIT

Claude Seo

NEW

InMarketing & Growth

SEO audit plugin for Claude Code, 26 skills and 19 agents

  • 19,881 GitHub stars
  • MITLicence MIT

Strapi

Alternative toContentful

Headless CMS with auto-generated REST and GraphQL for any content model.

  • 73,365 GitHub stars
  • MITLicence MIT

OpenSpec

Alternative toAmazon Kiro

Spec-driven development for AI coding assistants

  • 72,711 GitHub stars
  • MITLicence MIT

Fish Speech

NEW

Alternative toElevenLabs

Voice-cloning TTS with emotion tags and multi-character scenes

  • 33,373 GitHub stars
  • CustomLicence Fish Audio Community License v1.0
  • #LLM

Mole

Alternative toCleanMyMac X

Free CLI and native app for Mac cleanup, uninstall, and disk analysis

  • 72,205 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

strix

Alternative toXBOW

Autonomous AI pentesting with proof-of-exploit and auto-fix PRs.

  • 71,414 GitHub stars
  • Apache-2.0Licence Apache-2.0

Docker Mailserver

NEW

Alternative toGoogle Workspace

Postfix/Dovecot mail server in Docker, configured with plain files.

  • 19,659 GitHub stars
  • MITLicence MIT
  • #Email

OpenMontage

Alternative toInVideo AI

Turn your AI coding assistant into a video studio

  • 71,195 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Video

Cline

Alternative toGitHub Copilot

VS Code AI agent that plans and edits across your entire project

  • 70,769 GitHub stars
  • Apache-2.0Licence Apache-2.0

Koel

NEW

Alternative toSpotify

Self-hosted music streaming with smart playlists and mobile apps

  • 17,303 GitHub stars
  • MITLicence MIT

hyperframes

Alternative toRemotion

Turn HTML and CSS into rendered MP4 videos, built for AI agents.

  • 70,706 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Video

Vaultwarden

Alternative toBitwarden

Lightweight self-hosted password manager server, Bitwarden compatible

  • 69,510 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

OrcaSlicer

NEW

Alternative toSimplify3D

FDM slicer with built-in calibration and per-feature print control.

  • 16,097 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

AnythingLLM

Alternative toChatGPT

Chat with your documents using any LLM, private and self-hosted

  • 67,487 GitHub stars
  • MITLicence MIT
  • #AI Agents

daily_stock_analysis

Alternative toSeeking Alpha Premium

AI-driven stock analysis for A, HK, and US markets

  • 66,943 GitHub stars
  • MITLicence MIT
  • #LLM

F5-TTS

NEW

Alternative toElevenLabs

Open source TTS with zero-shot voice cloning and multilingual support.

  • 15,442 GitHub stars
  • MITLicence MIT
  • #LLM

Prometheus

Alternative toDatadog

Time series monitoring with a dimensional model and PromQL query language.

  • 66,716 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Monitoring

Ladybird

Alternative toGoogle Chrome

Browser with its own rendering engine, no Chrome or Firefox code

  • 66,646 GitHub stars
  • BSD-2-ClauseLicence BSD-2-Clause

Authelia

NEW

Alternative toOkta

Self-hosted SSO and MFA gateway, Apache-2.0 licensed.

  • 29,391 GitHub stars
  • Apache-2.0Licence Apache-2.0

Docusaurus

Alternative toGitBook

React-based static site generator for documentation

  • 66,578 GitHub stars
  • MITLicence MIT

FFmpeg

Alternative toAWS Elemental MediaConvert

Record, convert, and stream audio and video on any platform

  • 65,592 GitHub stars
  • #Video

VoiceWink

NEW

Alternative toWispr Flow

Hotkey voice-to-text for Windows 11, offline AI, one-time purchase.

  • 3 GitHub stars
  • GPL-3.0Licence GPL-3.0

NocoDB

Alternative toAirtable

Turn any database into a no-code spreadsheet. Self-hostable.

  • 65,334 GitHub stars
  • #No Code
Browse all 913 open source alternatives

Open source software by category

21 categories of self-hosted open source software, including Developer Tools, AI and Machine Learning, and Business and Productivity.

Browse all 21 categories
472

Developer Tools

REA (Reverse Engineer Anything), superpowers, Skills for Real Engineers411

AI & Machine Learning

freeCodeCamp, OpenClaw, REA (Reverse Engineer Anything)198

Web Development

superpowers, freeCodeCamp, Skills for Real Engineers197

Business & Productivity

OpenClaw, Excalidraw, RustDesk133

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma129

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw127

IT Management

Immich, RustDesk, Stirling PDF109

Cloud & Hosting

dify, RuView, rtk106

Data & Analytics

Firecrawl, ragflow, Worldmonitor106

Product & Project Management

agency-agents, freeCodeCamp, Gstack103

Design & Creative

ComfyUI, Excalidraw, Godot Engine102

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown91

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata79

APIs & Integration

n8n, Firecrawl, iptv69

Backend Development

graphify, dify, Rust61

Databases & Storage

Supabase, Immich, Redis57

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish35

No-Code & Low-Code

Langflow, n8n, dify35

Web & App Development

Flutter, Rust, Nvm30

Finance & Fintech

TradingAgents, MiroFish, OpenBB29

Customer Support

Twenty, agency-agents, iptv

Articles on open source software

Browse the blog
17 Oct 2026

Best Open Source AI Video Generators in 2026: 8 Compared

I compared 8 open source AI video generators, from raw model weights in ComfyUI and Wan2.2 to finished-short pipelines in MoneyPrinterTurbo.

15 May 2026

The Best Open Source AI Tools You Can Run on Your Own Hardware

Stop paying per token. These open source AI models and tools run entirely on your own hardware: no API keys, no data leaving your server, no monthly bills that scale with usage.

15 May 2026

Best Open Source Git Hosting Platforms for Self-Hosted Teams

GitHub lock-in is real. These open source git hosting platforms let you self-host repositories, CI/CD, and code review on your own server.

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Find open source alternatives to paid software

/
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Microsoft Teams to Rocket.Chat
  • Confluence to Docmost
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Firebase to Supabase
  • 1Password to KeePassXC
  • Contentful to Strapi
  • Adobe Premiere Pro to Shotcut
  • ChatGPT to AnythingLLM
  • LangSmith to Langfuse
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Microsoft Teams to Rocket.Chat
  • Confluence to Docmost
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Firebase to Supabase
  • 1Password to KeePassXC
  • Contentful to Strapi
  • Adobe Premiere Pro to Shotcut
  • ChatGPT to AnythingLLM
  • LangSmith to Langfuse