OpenAltFinder

Discover open source alternatives

Discover top open source alternatives to popular proprietary software tools.

NOMAD

NOMAD

Self-hosted, real-time collaborative travel planner with itineraries, maps, budgets, and packing lists.

Alternative to:
WanderlogWanderlog
SilverBullet

SilverBullet

Markdown-based note-taking app with powerful live queries, templates, and a pluggable scripting system for power users.

Alternative to:
NotionNotion
WriteFreely

WriteFreely

Minimalist, federated blogging platform for writers who want a clean, distraction-free space to publish.

Alternative to:
WordPressWordPress
AdGuard Home

AdGuard Home

Network-wide DNS-based ad and tracker blocker with parental controls, DNS rewrites, and detailed query logging.

Alternative to:
Pi-hole
Lemmy

Lemmy

Federated link aggregator and community discussion platform — a decentralized, self-hostable alternative to Reddit.

Alternative to:
RedditReddit
HedgeDoc

HedgeDoc

Real-time collaborative markdown note editor you can self-host — write together with rich formatting and seamless sharing.

Alternative to:
Google DocsGoogle Docs
Miniflux

Miniflux

Minimalist, opinionated RSS feed reader that is fast, lightweight, and written in Go — designed for long-term use.

Alternative to:
Feedly
Ghostfolio

Ghostfolio

Open-source wealth management software to track stocks, ETFs, cryptocurrencies, and your overall net worth.

Navidrome

Navidrome

Modern, lightweight self-hosted music server compatible with Subsonic/Airsonic clients — stream your music everywhere.

Alternative to:
Spotify
Cal.com

Cal.com

Open-source scheduling infrastructure — a self-hostable alternative to Calendly for booking meetings and appointments.

Alternative to:
Calendly
Actual Budget

Actual Budget

Fast, privacy-focused local-first personal finance app using zero-sum budgeting, with optional self-hosted sync.

Alternative to:
YNAB
Wallabag

Wallabag

Self-hosted read-it-later app that saves articles for offline reading with a clean, distraction-free view.

Alternative to:
PocketPocket