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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 Flow
CapCutGrok BotSuperhumanAirtableMuseRailway

Featured

Spotifast

Alternative toSpotify Premium

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

  • 9,164 GitHub stars
  • MITLicence MIT
  • #macOS

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 103,240 GitHub stars
  • MITLicence MIT
  • #AI Agents

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 107,598 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.

  • 35,334 GitHub stars
  • MIT LicenseLicence MIT License

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 208,635 GitHub stars

OpenClaw

Alternative toMuse

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

  • 393,134 GitHub stars
  • MITLicence MIT
  • #AI Agents

Omnara

Sponsored

Alternative toCClaude Managed Agents

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

  • 3,235 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Hermes Agent

Alternative toGrok Bot

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

  • 257,359 GitHub stars
  • MITLicence MIT
  • #AI Agents

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

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 390,785 GitHub stars
  • MITLicence MIT

Buzz

Alternative toSlack

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

  • 36,478 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

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

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Trending open source projects this week

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

As of 27 Oct 2026

  1. 0101+30,782 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +30,782 stars this week392,426 GitHub stars
  2. 0202+17,967 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

    +17,967 stars this week39,598 GitHub stars
  3. 0303+4,435 stars this week

    Hallmark

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

    InDesign & Creative

    InDesign & Creative

    +4,435 stars this week36,701 GitHub stars
  4. 0404+10,870 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +10,870 stars this week48,730 GitHub stars
  5. 0505+8,517 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +8,517 stars this week89,534 GitHub stars
  6. 0606+2,507 stars this week

    Cindy

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

    Alternative toCursor

    Alternative toCursor

    +2,507 stars this week6,670 GitHub stars
  7. 0707+2,110 stars this week

    Claude Seo

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

    InMarketing & Growth

    InMarketing & Growth

    +2,110 stars this week22,218 GitHub stars
  8. 0808+5,151 stars this week

    orca

    The ultimate IDE for coding agents

    Alternative toConductor

    Alternative toConductor

    +5,151 stars this week107,198 GitHub stars
  9. 0909+4,825 stars this week

    Ponytail

    The lazy senior dev for your AI agent

    InAI & Machine Learning

    InAI & Machine Learning

    +4,825 stars this week177,287 GitHub stars
  10. 1010+4,067 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

    +4,067 stars this week136,260 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 12 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode221,882 GitHub stars
  2. 2oh-my-pi36,686 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. 2OpenProject16,692 GitHub stars
  3. 3Plane61,474 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy77,793 GitHub stars
  2. 2AFFiNE73,862 GitHub stars
  3. 3Outline41,073 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,437 GitHub stars
  2. 2Rocket.Chat46,331 GitHub stars
  3. 3Zulip26,116 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,545 GitHub stars
  2. 2OpenProject16,692 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. 2VoiceInk6,932 GitHub stars
  3. 3FluidVoice12,489 GitHub stars
Read the Wispr Flow guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat11,508 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. 3OpenBot7,078 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,826 GitHub stars
  2. 2Macro4,945 GitHub stars
  3. 3Mailspring17,945 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,639 GitHub stars
  2. 2Budibase 28,356 GitHub stars
  3. 3ToolJet41,129 GitHub stars
Read the Airtable guide →

Muse open source alternatives

5 ranked · reviewed 18 Oct
  1. 1OpenClaw393,134 GitHub stars
  2. 2Hermes Agent257,359 GitHub stars
  3. 3rakazo5,914 GitHub stars
Read the Muse guide →

Railway open source alternatives

6 ranked · reviewed 25 Oct
  1. 1Coolify64,868 GitHub stars
  2. 2Dokploy38,011 GitHub stars
  3. 3openship14,950 GitHub stars
Read the Railway 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

Netdata

Alternative toDatadog

Real-time infrastructure monitoring with zero configuration

  • 81,138 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Monitoring

OmniRoute

Alternative toOpenRouter

352-provider AI gateway with automatic fallback and token compression

  • 81,007 GitHub stars
  • MITLicence MIT
  • #LLM

screenshot-to-code

Alternative toGoogle Stitch

Turn any design screenshot into clean, working code with AI

  • 80,750 GitHub stars
  • MITLicence MIT

Hoppscotch

Alternative toPostman

Open source Postman alternative for REST and GraphQL testing

  • 80,688 GitHub stars
  • MITLicence MIT
  • #API Client

RuFlo

Alternative toConductor

Deploy intelligent AI agents with ease.

  • 79,429 GitHub stars
  • MITLicence MIT
  • #AI Agents

Unsloth

Alternative toTogether AI

Train LLMs locally without code using a browser-based interface

  • 78,594 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

OBS Studio

Alternative tovMix

Record and stream with multi-source scenes and hardware encoding

  • 78,260 GitHub stars
  • GPL-2.0Licence GPL-2.0
  • #Video

headroom

Alternative toThe Token Company

Compress LLM context before it reaches the model

  • 77,878 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

AppFlowy

Alternative toNotion

Open source Notion alternative with AI, self-hosted

  • 77,793 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

career-ops

Alternative toAIApply

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

  • 77,607 GitHub stars
  • MITLicence MIT

Grafana

Alternative toDatadog

Open source dashboards for metrics, logs, and traces

  • 77,512 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Monitoring

Redis

Alternative toAmazon ElastiCache for Redis

High-performance open source in-memory data structure store

  • 77,131 GitHub stars
  • #Database

codegraph

Alternative toAtlassian Code Context

Transform codebases into queryable knowledge graphs

  • 75,436 GitHub stars
  • MITLicence MIT

Apache Superset

Alternative toMicrosoft Power BI

Open source data visualization and BI exploration tool

  • 75,314 GitHub stars
  • Apache-2.0Licence Apache-2.0

Every App

NEW

InCloud & Hosting

Open source app platform on Cloudflare with shared auth and MCP

  • 61 GitHub stars
  • MITLicence MIT

OpenBB

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Open source AI research workspace for financial analysis

  • 74,611 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

AFFiNE

Alternative toNotion

Local-first workspace combining docs, whiteboards, and notes

  • 73,862 GitHub stars
  • MITLicence MIT

Pomerado

NEW

Alternative toSkyvern

Build website MCP integrations from natural language, no API required.

  • 841 GitHub stars
  • MITLicence MIT
  • #AI Agents

Strapi

Alternative toContentful

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

  • 73,384 GitHub stars
  • MITLicence MIT

hyperframes

Alternative toRemotion

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

  • 72,981 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Video

Helium

NEW

Alternative toGoogle Chrome

Privacy-first Chromium browser, all Google dependencies removed

  • 22,029 GitHub stars
  • GPL-3.0Licence GPL-3.0

OpenSpec

Alternative toAmazon Kiro

Spec-driven development for AI coding assistants

  • 72,933 GitHub stars
  • MITLicence MIT

Mole

Alternative toCleanMyMac X

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

  • 72,747 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

Papermark

NEW

Alternative toDocSend

Self-hosted data rooms with page-level analytics and custom domains

  • 9,268 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

OpenMontage

Alternative toInVideo AI

Turn your AI coding assistant into a video studio

  • 72,214 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Video

strix

Alternative toXBOW

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

  • 72,128 GitHub stars
  • Apache-2.0Licence Apache-2.0

Ente

NEW

Alternative toGoogle Photos

E2EE photo backup with face recognition, AI search, and family plans

  • 29,575 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Cline

Alternative toGitHub Copilot

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

  • 70,869 GitHub stars
  • Apache-2.0Licence Apache-2.0

Vaultwarden

Alternative toBitwarden

Lightweight self-hosted password manager server, Bitwarden compatible

  • 69,699 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

Paperless-ngx

NEW

Alternative toDocuWare

Self-hosted document archive with OCR indexing and full-text search.

  • 47,071 GitHub stars
  • GPL-3.0Licence GPL-3.0

AnythingLLM

Alternative toChatGPT

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

  • 67,592 GitHub stars
  • MITLicence MIT
  • #AI Agents

daily_stock_analysis

Alternative toSeeking Alpha Premium

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

  • 67,103 GitHub stars
  • MITLicence MIT
  • #LLM

Actual

NEW

Alternative toYNAB

Local-first envelope budgeting with bank sync and E2E encryption

  • 29,732 GitHub stars
  • MITLicence MIT

Prometheus

Alternative toDatadog

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

  • 66,775 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Monitoring

Ladybird

Alternative toGoogle Chrome

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

  • 66,705 GitHub stars
  • BSD-2-ClauseLicence BSD-2-Clause

Cindy

NEW

Alternative toCursor

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

  • 4,108 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Docusaurus

Alternative toGitBook

React-based static site generator for documentation

  • 66,588 GitHub stars
  • MITLicence MIT

FFmpeg

Alternative toAWS Elemental MediaConvert

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

  • 65,789 GitHub stars
  • #Video

Maccy

NEW

Alternative toPaste

Keyboard-driven clipboard history for macOS, MIT licensed and free

  • 22,056 GitHub stars
  • MITLicence MIT
  • #macOS

Traefik

Alternative toNGINX Plus

Auto-routing reverse proxy for Docker and Kubernetes from labels

  • 65,377 GitHub stars
  • MITLicence MIT
Browse all 928 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
480

Developer Tools

REA (Reverse Engineer Anything), superpowers, Skills for Real Engineers416

AI & Machine Learning

freeCodeCamp, OpenClaw, REA (Reverse Engineer Anything)202

Business & Productivity

OpenClaw, Excalidraw, RustDesk199

Web Development

superpowers, freeCodeCamp, Skills for Real Engineers136

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma129

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw128

IT Management

Immich, RustDesk, Stirling PDF111

Cloud & Hosting

dify, RuView, rtk107

Data & Analytics

Firecrawl, ragflow, Worldmonitor106

Design & Creative

ComfyUI, Excalidraw, Godot Engine106

Product & Project Management

agency-agents, freeCodeCamp, Gstack103

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown91

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata81

APIs & Integration

n8n, Firecrawl, iptv70

Backend Development

graphify, dify, Rust63

Databases & Storage

Supabase, Immich, Redis57

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish35

No-Code & Low-Code

Langflow, n8n, dify35

Web & App Development

Flutter, Rust, Nvm31

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
  • 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
  • ChatGPT to AnythingLLM
  • 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
  • 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
  • ChatGPT to AnythingLLM