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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

  • 62,094 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

CleanYourTV

Alternative toATV Launcher Pro

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

  • 48,047 GitHub stars
  • MIT LicenseLicence MIT License

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

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

  • 418,752 GitHub stars
  • MITLicence MIT

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 107,577 GitHub stars
  • MITLicence MIT
  • #AI Agents

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 209,269 GitHub stars

rakazo

Sponsored

Alternative toGrok Bot

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

  • 6,568 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Spotifast

Alternative toSpotify Premium

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

  • 9,440 GitHub stars
  • MITLicence MIT
  • #macOS

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,855 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

Windshift

Sponsored

Alternative toJira

Self-hosted work management for teams leaving Jira

  • 393 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

It's a Plan

Sponsored

Alternative toLinear

Self-hosted issue tracker where people and AI agents share one board.

  • 2,121 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Hermes Agent

Alternative toGrok Bot

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

  • 259,499 GitHub stars
  • MITLicence MIT
  • #AI Agents

SnitchFeed

Sponsored

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

Marketing & Growth

Buzz

Alternative toSlack

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

  • 36,652 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

OpenClaw

Alternative toMuse

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

  • 393,635 GitHub stars
  • MITLicence MIT
  • #AI Agents

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 109,899 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 2 Nov 2026

  1. 0101+33,845 stars this week

    REA (Reverse Engineer Anything)

    Featured

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

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +33,845 stars this week419,305 GitHub stars
  2. 0202+2,630 stars this week

    Agent Desktop

    Desktop computer use for AI agents via OS accessibility tree

    InAI & Machine Learning

    InAI & Machine Learning

    +2,630 stars this week7,136 GitHub stars
  3. 0303+13,614 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

    +13,614 stars this week49,323 GitHub stars
  4. 0404+11,060 stars this week

    DeepTutor

    Agentic framework for lifelong personalized tutoring

    Alternative toKhanmigo

    Alternative toKhanmigo

    +11,060 stars this week53,777 GitHub stars
  5. 0505+10,988 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +10,988 stars this week98,088 GitHub stars
  6. 0606+10,917 stars this week

    Hallmark

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

    InDesign & Creative

    InDesign & Creative

    +10,917 stars this week45,035 GitHub stars
  7. 0707+9,360 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +9,360 stars this week56,506 GitHub stars
  8. 0808+8,206 stars this week

    t3code

    Control your coding agents from one interface

    Alternative toConductor

    Alternative toConductor

    +8,206 stars this week38,388 GitHub stars
  9. 0909+8,112 stars this week

    iFixAi

    Self-hosted AI agent auditing across 60 trust and safety inspections.

    Alternative toZenity

    Alternative toZenity

    +8,112 stars this week42,575 GitHub stars
  10. 1010+1,051 stars this week

    Ai Engineering Hub

    93+ Jupyter Notebook projects for LLMs, RAG, agents, and MCP.

    InAI & Machine Learning

    InAI & Machine Learning

    +1,051 stars this week40,400 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. 1OpenCode223,829 GitHub stars
  2. 2oh-my-pi37,418 GitHub stars
  3. 3kilocode27,828 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift393 GitHub stars
  2. 2OpenProject16,901 GitHub stars
  3. 3Plane61,813 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy78,085 GitHub stars
  2. 2AFFiNE74,046 GitHub stars
  3. 3Outline41,130 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,499 GitHub stars
  2. 2Rocket.Chat46,357 GitHub stars
  3. 3Zulip26,154 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,549 GitHub stars
  2. 2OpenProject16,901 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy36,645 GitHub stars
  2. 2VoiceInk6,992 GitHub stars
  3. 3FluidVoice12,601 GitHub stars
Read the Wispr Flow guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,496 GitHub stars
  2. 2Floorp8,473 GitHub stars
  3. 3Brave3,744 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat13,168 GitHub stars
  2. 2OpenCut97,106 GitHub stars
  3. 3Shotcut15,536 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo6,568 GitHub stars
  2. 2OpenMausBot10,710 GitHub stars
  3. 3OpenBot9,031 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,855 GitHub stars
  2. 2Macro6,056 GitHub stars
  3. 3Mailspring17,987 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,652 GitHub stars
  2. 2Budibase 28,372 GitHub stars
  3. 3ToolJet41,178 GitHub stars
Read the Airtable guide →

Muse open source alternatives

5 ranked · reviewed 18 Oct
  1. 1OpenClaw393,635 GitHub stars
  2. 2Hermes Agent259,499 GitHub stars
  3. 3rakazo6,568 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

MinerU

Alternative toLlamaParse

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

  • 82,791 GitHub stars
  • CustomLicence Apache-2.0 with commercial threshold and attribution terms
  • #LLM

Netdata

Alternative toDatadog

Real-time infrastructure monitoring with zero configuration

  • 81,241 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Monitoring

screenshot-to-code

Alternative toGoogle Stitch

Turn any design screenshot into clean, working code with AI

  • 80,968 GitHub stars
  • MITLicence MIT

Hoppscotch

Alternative toPostman

Open source Postman alternative for REST and GraphQL testing

  • 80,717 GitHub stars
  • MITLicence MIT
  • #API Client

RuFlo

Alternative toConductor

Deploy intelligent AI agents with ease.

  • 80,496 GitHub stars
  • MITLicence MIT
  • #AI Agents

career-ops

Alternative toAIApply

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

  • 79,319 GitHub stars
  • MITLicence MIT

Unsloth

Alternative toTogether AI

Train LLMs locally without code using a browser-based interface

  • 78,925 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

OBS Studio

Alternative tovMix

Record and stream with multi-source scenes and hardware encoding

  • 78,762 GitHub stars
  • GPL-2.0Licence GPL-2.0
  • #Video

headroom

Alternative toThe Token Company

Compress LLM context before it reaches the model

  • 78,522 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

AppFlowy

Alternative toNotion

Open source Notion alternative with AI, self-hosted

  • 78,085 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Grafana

Alternative toDatadog

Open source dashboards for metrics, logs, and traces

  • 77,611 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Monitoring

hyperframes

Alternative toRemotion

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

  • 77,164 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Video

Redis

Alternative toAmazon ElastiCache for Redis

High-performance open source in-memory data structure store

  • 77,090 GitHub stars
  • #Database

codegraph

Alternative toAtlassian Code Context

Transform codebases into queryable knowledge graphs

  • 76,163 GitHub stars
  • MITLicence MIT

Shannon

NEW

Alternative toXBOW

Autonomous AI pentester for web apps and APIs, AGPL-licensed

  • 50,850 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

Apache Superset

Alternative toMicrosoft Power BI

Open source data visualization and BI exploration tool

  • 75,386 GitHub stars
  • Apache-2.0Licence Apache-2.0

OpenBB

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Open source AI research workspace for financial analysis

  • 74,900 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Aleph

NEW

InData & Analytics

Python CLI for satellite imagery, terrain, buildings and Street View.

  • 699 GitHub stars
  • MITLicence MIT
  • #LLM

AFFiNE

Alternative toNotion

Local-first workspace combining docs, whiteboards, and notes

  • 74,046 GitHub stars
  • MITLicence MIT

OpenSpec

Alternative toAmazon Kiro

Spec-driven development for AI coding assistants

  • 73,504 GitHub stars
  • MITLicence MIT

Muxin

NEW

Alternative toRoyal TSX

One app for all your machines, AI agent sessions, desktops, and MCP.

  • 383 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Strapi

Alternative toContentful

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

  • 73,419 GitHub stars
  • MITLicence MIT

Mole

Alternative toCleanMyMac X

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

  • 73,394 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

Self Host

NEW

Alternative toEasypanel

CLI tool for 93 self-hosted apps with an agent-ready install workflow.

  • 1,480 GitHub stars
  • Apache-2.0Licence Apache-2.0

strix

Alternative toXBOW

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

  • 73,252 GitHub stars
  • Apache-2.0Licence Apache-2.0

OpenMontage

Alternative toInVideo AI

Turn your AI coding assistant into a video studio

  • 73,068 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Video

Hex

NEW

Alternative toWispr Flow

On-device voice dictation for Mac, Windows, and Linux

  • 3,281 GitHub stars
  • MITLicence MIT
  • #macOS

Cline

Alternative toGitHub Copilot

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

  • 71,166 GitHub stars
  • Apache-2.0Licence Apache-2.0

Vaultwarden

Alternative toBitwarden

Lightweight self-hosted password manager server, Bitwarden compatible

  • 70,037 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

AiSOC

NEW

Alternative toPalo Alto Networks Cortex XSIAM

Self-hostable AI SOC with auditable agent decisions and MIT license

  • 6,228 GitHub stars
  • MITLicence MIT
  • #Security

AnythingLLM

Alternative toChatGPT

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

  • 67,829 GitHub stars
  • MITLicence MIT
  • #AI Agents

daily_stock_analysis

Alternative toSeeking Alpha Premium

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

  • 67,399 GitHub stars
  • MITLicence MIT
  • #LLM

Virling

NEW

Alternative toCometly

Revenue attribution for SaaS; ties visits to payments, self-hosted.

  • 2 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Prometheus

Alternative toDatadog

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

  • 66,893 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Monitoring

Ladybird

Alternative toGoogle Chrome

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

  • 66,798 GitHub stars
  • BSD-2-ClauseLicence BSD-2-Clause
A

Aplica

NEW

Alternative toJobCopilot

Finds jobs, scores them, applies in your browser with your real data.

  • 3 GitHub stars
  • MITLicence MIT
  • #AI Agents

Docusaurus

Alternative toGitBook

React-based static site generator for documentation

  • 66,625 GitHub stars
  • MITLicence MIT

FFmpeg

Alternative toAWS Elemental MediaConvert

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

  • 66,218 GitHub stars
  • #Video

Unlimited-OCR

NEW

Alternative toGoogle Document AI

Document OCR with unlimited page depth, MIT licensed, self-hosted.

  • 30,123 GitHub stars
  • MITLicence MIT
  • #LLM

free-claude-code

InDeveloper Tools

Route 9 AI coding agents through 1.3B+ free monthly tokens

  • 65,763 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
Browse all 1,018 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
522

Developer Tools

REA (Reverse Engineer Anything), superpowers, Skills for Real Engineers450

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw233

Business & Productivity

OpenClaw, Excalidraw, RustDesk203

Web Development

superpowers, freeCodeCamp, Skills for Real Engineers152

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma138

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw136

IT Management

Immich, RustDesk, Stirling PDF120

Cloud & Hosting

dify, RuView, rtk116

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown112

Data & Analytics

Firecrawl, ragflow, Worldmonitor111

Product & Project Management

agency-agents, freeCodeCamp, Gstack109

Design & Creative

ComfyUI, Excalidraw, Godot Engine103

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata83

APIs & Integration

n8n, Firecrawl, iptv75

Backend Development

graphify, dify, Rust68

Databases & Storage

Supabase, Immich, Redis61

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish39

Web & App Development

Flutter, Rust, Nvm35

Finance & Fintech

TradingAgents, MiroFish, OpenBB35

No-Code & Low-Code

Langflow, n8n, dify30

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