OpenAltFinder

Find the Best Open Source Alternatives to Popular Software

Browse free, self-hostable alternatives to the tools you rely on every day.

Popular Tools You Can Replace

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Notion Notion Discord Discord 1Password 1Password Google Analytics Google Analytics Buffer Buffer Goodreads Goodreads Trello Trello Jira Jira WordPress WordPress ChatGPT ChatGPT Claude Code Claude Code Google Authenticator Google Authenticator

Interesting New Alternatives

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Delta Chat

Delta Chat

Decentralized private messenger using email infrastructure for secure, end-to-end encrypted communication.

Alternative to:
WhatsAppWhatsApp
Tinode

Tinode

Instant messaging platform with self-hosted backend in Go and clients for iOS, Android, web, and command line.

Alternative to:
WhatsAppWhatsApp
SALARY-2045

SALARY-2045

A self-hosted dividend portfolio tracker built with Flask that helps long-term investors track passive income, portfolio health, and progress toward financial independence.

Alternative to:
Personal CapitalPersonal Capital
Open Terminal

Open Terminal

A self-hosted financial research platform with a Bloomberg-style interface for SEC filings, stock prices, and AI-powered analysis.

Alternative to:
Bloomberg TerminalBloomberg Terminal
OpenTracks

OpenTracks

A privacy-focused sport tracking application for Android that records GPS tracks and supports Bluetooth sensors without any internet access or ads.

Alternative to:
StravaStrava
Chevereto

Chevereto

Self-hosted image and video hosting platform. Build your own Flickr or Imgur-style media sharing site.

Alternative to:
FlickrFlickr
Open Code Review

Open Code Review

Battle-tested AI code review agent with deterministic pipelines + LLM, fine-tuned security rules, and line-level comments.

Alternative to:
GitHub CopilotGitHub Copilot
RunnerUp

RunnerUp

An open source run tracker for Android.

Alternative to:
StravaStrava
Geo Activity Playground

Geo Activity Playground

Data analysis and visualization based on GPS tracked outdoor activities.

Alternative to:
StravaStrava
PikoCI

PikoCI

The CI/CD that grows with you. One binary, any database, any queue, runs anywhere.

Alternative to:
GitHub ActionsGitHub Actions
Scratch

Scratch

A minimalist, offline-first markdown note-taking app for macOS, Windows, and Linux.

Alternative to:
NotionNotion
CubeTrek

CubeTrek

Open-source GPS track manager with 3D topography visualization for outdoor activities.

Alternative to:
StravaStrava
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Headless CMS

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Fitness tracking Tools · Health monitoring Tools · Habit Trackers

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Email Marketing & Newsletters Tools · Marketing Automation

Podcasting

Podcast Apps

Productivity & Utilities

Password Managers · Automation Tools · Bookmark & Content Management Tools

Security & Privacy Tools

Secure Tunnels · 2FA Authentication · Virtual Private Network

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