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Handpicked Open Source Alternatives to Paid Softwares

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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowArc
CapCutGrok BotSuperhumanAirtableMuseRailway

Featured

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 60,408 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 208,984 GitHub stars

SnitchFeed

Sponsored

Live monitoring on LinkedIn, X, Reddit & more. Agentic social listening for startups.

Marketing & Growth

OpenClaw

Alternative toMuse

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

  • 393,358 GitHub stars
  • MITLicence MIT
  • #AI Agents

Omnara

Sponsored

Alternative toCClaude Managed Agents

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

  • 3,296 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Buzz

Alternative toSlack

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

  • 36,552 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

Spotifast

Alternative toSpotify Premium

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

  • 9,344 GitHub stars
  • MITLicence MIT
  • #macOS

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 108,591 GitHub stars
  • MITLicence MIT
  • #AI Agents

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 407,266 GitHub stars
  • MITLicence MIT

Hermes Agent

Alternative toGrok Bot

Self-hosted AI agent: persistent memory, multi-channel chat, model choice.

  • 258,472 GitHub stars
  • MITLicence MIT
  • #AI Agents

CleanYourTV

Alternative toATV Launcher Pro

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

  • 43,973 GitHub stars
  • MIT LicenseLicence MIT License

rakazo

Sponsored

Alternative toGrok Bot

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

  • 5,914 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,826 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 106,185 GitHub stars
  • MITLicence MIT
  • #AI Agents

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Trending open source projects this week

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

As of 29 Oct 2026

  1. 0101+41,654 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +41,654 stars this week407,266 GitHub stars
  2. 0202+22,396 stars this week

    CleanYourTV

    Featured

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

    Alternative toATV Launcher Pro

    Alternative toATV Launcher Pro

    +22,396 stars this week44,027 GitHub stars
  3. 0303+8,612 stars this week

    Hallmark

    Design skill for coding agents with 48 themes, real photos and lint.

    InDesign & Creative

    InDesign & Creative

    +8,612 stars this week40,878 GitHub stars
  4. 0404+13,953 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +13,953 stars this week51,813 GitHub stars
  5. 0505+12,146 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +12,146 stars this week94,149 GitHub stars
  6. 0606+7,173 stars this week

    orca

    The ultimate IDE for coding agents

    Alternative toConductor

    Alternative toConductor

    +7,173 stars this week110,007 GitHub stars
  7. 0707+4,029 stars this week

    Cindy

    Local-first AI agent desktop app for Claude Code, Codex, and Pi.

    Alternative toCursor

    Alternative toCursor

    +4,029 stars this week8,192 GitHub stars
  8. 0808+6,840 stars this week

    Ponytail

    The lazy senior dev for your AI agent

    InAI & Machine Learning

    InAI & Machine Learning

    +6,840 stars this week180,056 GitHub stars
  9. 0909+6,166 stars this week

    DeepTutor

    Agentic framework for lifelong personalized tutoring

    Alternative toKhanmigo

    Alternative toKhanmigo

    +6,166 stars this week48,262 GitHub stars
  10. 1010+3,347 stars this week

    Claude Seo

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

    InMarketing & Growth

    InMarketing & Growth

    +3,347 stars this week23,455 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 13 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode223,015 GitHub stars
  2. 2oh-my-pi37,058 GitHub stars
  3. 3kilocode27,761 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift379 GitHub stars
  2. 2OpenProject16,799 GitHub stars
  3. 3Plane61,668 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy77,793 GitHub stars
  2. 2AFFiNE73,957 GitHub stars
  3. 3Outline41,108 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,465 GitHub stars
  2. 2Rocket.Chat46,351 GitHub stars
  3. 3Zulip26,138 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,545 GitHub stars
  2. 2OpenProject16,799 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy34,783 GitHub stars
  2. 2VoiceInk6,967 GitHub stars
  3. 3FluidVoice12,489 GitHub stars
Read the Wispr Flow guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,408 GitHub stars
  2. 2Floorp8,466 GitHub stars
  3. 3Brave3,723 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat12,399 GitHub stars
  2. 2OpenCut96,188 GitHub stars
  3. 3Shotcut15,502 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo5,914 GitHub stars
  2. 2OpenMausBot5,675 GitHub stars
  3. 3OpenBot7,485 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,826 GitHub stars
  2. 2Macro5,635 GitHub stars
  3. 3Mailspring17,965 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,652 GitHub stars
  2. 2Budibase 28,369 GitHub stars
  3. 3ToolJet41,129 GitHub stars
Read the Airtable guide →

Muse open source alternatives

5 ranked · reviewed 18 Oct
  1. 1OpenClaw393,358 GitHub stars
  2. 2Hermes Agent258,472 GitHub stars
  3. 3rakazo5,914 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

Supabase

Alternative toFirebase

Open source Firebase: Postgres database, auth, and file storage

  • 114,295 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #BaaS

Agent Skills

InAI & Machine Learning

Structured workflows for AI coding agents.

  • 111,702 GitHub stars
  • MITLicence MIT

orca

Alternative toConductor

The ultimate IDE for coding agents

  • 110,007 GitHub stars
  • MITLicence MIT

Fastapi

Alternative toAWS API Gateway

High-performance Python API framework with auto OpenAPI documentation

  • 104,262 GitHub stars
  • MITLicence MIT

claude-mem

Alternative toContextPool

Stop re-explaining your codebase to every new agent session

  • 103,679 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Neovim

Alternative toSublime Text

Hyperextensible Vim-based editor with Lua plugin support

  • 103,241 GitHub stars
  • Apache-2.0Licence Apache-2.0

RuView

Alternative toAWS IoT

Intelligent AI agents for real-world applications

  • 101,474 GitHub stars
  • MITLicence MIT
  • #AI Agents

material-ui

Alternative toKendoReact

Open source React components for Google's Material Design

  • 99,282 GitHub stars
  • MITLicence MIT

LocalSend

Alternative toSend Anywhere

Free cross-platform file sharing over local network, no cloud

  • 96,424 GitHub stars
  • Apache-2.0Licence Apache-2.0

OpenCut

Alternative toCapCut

Open source video editing in your browser, free forever

  • 96,188 GitHub stars
  • MITLicence MIT
  • #Video

Nvm

InDeveloper Tools

Switch Node.js versions per shell with a single bash command

  • 95,672 GitHub stars
  • MITLicence MIT
  • #CLI

manim

Alternative toAnimo

Programmatic animation engine for explanatory math videos

  • 95,654 GitHub stars
  • MITLicence MIT
  • #Video

Vllm

Alternative toTogether AI

High-throughput LLM inference server with OpenAI-compatible API

  • 95,637 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Stirling PDF

Alternative toAdobe Acrobat

Self-hosted PDF editor with 50+ tools for every PDF task

  • 95,345 GitHub stars
  • MITLicence MIT

Blanc

NEW

Alternative toArc

Floating Island browser, built-in ad blocking, free on all desktops

  • 134 GitHub stars
  • MITLicence MIT

VoiceStudio

Alternative toElevenLabs

Voice cloning, dubbing, and transcription that runs fully offline

  • 94,149 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Uptime Kuma

Alternative toUptimeRobot

Track uptime for websites and APIs with 90+ alert integrations

  • 93,062 GitHub stars
  • MITLicence MIT
  • #Monitoring

Nook

NEW

Alternative toArc

Open source macOS browser with vertical sidebar tabs and ad blocking.

  • 2,022 GitHub stars
  • GPL-3.0Licence GPL-3.0

ragflow

Alternative toVectara

Open-source RAG engine with document parsing and agent orchestration

  • 92,913 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Zed

Alternative toCursor

High-performance open source code editor with built-in AI

  • 92,241 GitHub stars
  • Apache-2.0Licence Apache-2.0

Zephium

NEW

Alternative toArc

Rust browser on your system's own engine, with an AI Work canvas

  • 866 GitHub stars
  • MPL-2.0Licence MPL-2.0

OpenHands

Alternative toDevin AI

Delegate scoped coding tasks in isolated, reviewable agent sessions

  • 91,921 GitHub stars
  • MITLicence MIT
  • #AI Agents

Home Assistant

Alternative toSamsung SmartThings

Open source home automation with local control priority

  • 91,825 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #IoT

Ardia

NEW

Alternative toArc

Real Chromium with Arc's sidebar, ad blocking, iCloud sync.

  • 1,026 GitHub stars
  • GPL-3.0Licence GPL-3.0

PaddleOCR

Alternative toGoogle Document AI

Self-hosted OCR toolkit turning PDFs and images into LLM-ready data

  • 91,628 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

servers

Alternative toComposio

Open reference servers for connecting AI to external tools and data

  • 91,626 GitHub stars
  • CustomLicence Apache-2.0 and MIT (dual, transitioning)
  • #AI Agents

Crest

NEW

Alternative toArc

Open source browser with Spaces, Peek, and Split View for Mac and iOS

  • 983 GitHub stars
  • MPL-2.0Licence MPL-2.0

uv

Alternative toAnaconda

Python package manager written in Rust, 10-100x faster than pip

  • 91,297 GitHub stars
  • Apache-2.0Licence Apache-2.0

Syncthing

Alternative toResilio Connect

Decentralized continuous file sync with no central server

  • 89,782 GitHub stars
  • MPL-2.0Licence MPL-2.0

Email Marketing Bible

NEW

InMarketing & Growth

Email automation skill for Claude, Codex, and ChatGPT agents.

  • MITLicence MIT
  • #Email

Worldmonitor

Alternative toSeerist

Self-hosted geopolitical risk map: 58 layer types, 469 OSINT feeds.

  • 89,608 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Understand-Anything

Alternative toSourcegraph

Interactive knowledge graphs for codebases

  • 88,393 GitHub stars
  • MITLicence MIT

Sanctum Daemon

NEW

Alternative tonzb360

Native Android dashboard for Jellyfin and the *arr stack. No account.

  • 1 GitHub stars
  • GPL-3.0Licence GPL-3.0

crawl4ai

Alternative toFirecrawl

LLM-ready web crawling without API keys or rate limits

  • 86,405 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Scraping

deer-flow

Alternative toManus

Build super agents with DeerFlow's powerful framework

  • 84,656 GitHub stars
  • MITLicence MIT
  • #LLM

Parrotflow

NEW

Alternative toWispr Flow

Scriptable local dictation with rules, screen context, and vocabulary.

  • 22 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

rtk

Alternative toTokenade

CLI proxy that removes 89% of agent context noise on average

  • 84,640 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #CLI

MinerU

Alternative toLlamaParse

Document parsing for LLM workflows, OCR, and agent reading.

  • 82,565 GitHub stars
  • CustomLicence Apache-2.0 with commercial threshold and attribution terms
  • #LLM

Dashy

NEW

InIT Management

Self-hosted homelab homepage with status checks, widgets, and themes.

  • 26,844 GitHub stars
  • MITLicence MIT

MiroFish

InAI & Machine Learning

Multi-agent simulation engine that predicts real-world outcomes

  • 82,251 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
Browse all 958 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
497

Developer Tools

REA (Reverse Engineer Anything), Skills for Real Engineers, superpowers426

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw213

Business & Productivity

OpenClaw, Excalidraw, RustDesk200

Web Development

Skills for Real Engineers, freeCodeCamp, superpowers144

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma131

IT Management

Immich, RustDesk, Stirling PDF129

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw113

Cloud & Hosting

dify, RuView, rtk110

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown108

Data & Analytics

Firecrawl, ragflow, Worldmonitor106

Design & Creative

ComfyUI, Excalidraw, Godot Engine106

Product & Project Management

agency-agents, freeCodeCamp, Gstack95

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata81

APIs & Integration

n8n, Firecrawl, iptv70

Backend Development

graphify, dify, Rust65

Databases & Storage

Supabase, Immich, Redis59

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish36

Web & App Development

Flutter, Rust, Nvm35

No-Code & Low-Code

Langflow, n8n, dify31

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
  • Arc to Zen Browser
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • Railway to Coolify
  • 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
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • Arc to Zen Browser
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • Railway to Coolify
  • 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