OpenAltFinder

Open Source Python Software & Tools

Discover the best open source software and alternatives built with Python. Explore top tools, compare features, and find the right solution.

VoiceStudio

VoiceStudio

Fully local voice cloning, dubbing, dictation, and transcription in one desktop app - an open-source ElevenLabs replacement.

Alternative to:
ElevenLabsElevenLabs
OpenShot Video Editor

OpenShot Video Editor

OpenShot is a free, open-source video editor for Linux, macOS, and Windows with unlimited tracks, keyframe animation, and 3D titles.

Alternative to:
Adobe Premiere ProAdobe Premiere Pro
openage

openage

A free, open-source engine and community project recreating Age of Empires II with a modern C++ and Python codebase.

Alternative to:
Age of EmpiresAge of Empires
SearXNG

SearXNG

A free internet metasearch engine which aggregates results from various search services without tracking or profiling users.

Alternative to:
Google SearchGoogle Search
Securo

Securo

Open-source self-hosted personal finance manager with bank sync, multi-currency budgets, investments, splits, and an optional self-hosted AI assistant.

Alternative to:
MintMint
AI-assisted
HTTPie

HTTPie

Open-source command-line and desktop HTTP client with intuitive syntax, JSON support, and built-in auth — a developer-friendly Postman alternative.

Alternative to:
PostmanPostman
OpenInvento

OpenInvento

Self-hosted inventory manager for households, homelabs, and small businesses. Free for non-commercial use.

Alternative to:
SortlySortly
PostHog

PostHog

Open-source product analytics with session recording, feature flags, and A/B testing — self-hostable. Replaces Google Analytics, Mixpanel, and Amplitude.

Alternative to:
Google AnalyticsGoogle Analytics
HOL Guard

HOL Guard

Local-first antivirus for AI agents that blocks risky commands, secret access, prompt injection, malicious packages, and MCP threats at runtime.

Alternative to:
HiddenLayerHiddenLayer
AI-assisted
TagStudio

TagStudio

Tag and organize photos and files in place, with a tag library stored next to your folders instead of a proprietary catalog.

Alternative to:
EagleEagle
Plane

Plane

Open-source, AI-native project management platform — a self-hostable alternative to Jira, Linear, Monday, and ClickUp.

Alternative to:
JiraJira
CoMaps

CoMaps

A community-led fork of Organic Maps. Free offline maps for Android and iOS with no ads, no tracking, and no data collection.

Alternative to:
Google MapsGoogle Maps
Gramps

Gramps

Open source desktop genealogy program for building and exploring detailed family trees with full local data control.

Alternative to:
Family Tree MakerFamily Tree Maker
Doory

Doory

Open-source browser design editor for posters, social posts and slides, with templates, real-time co-editing and PNG, SVG, PDF and video exports.

Alternative to:
CanvaCanva
Penpot

Penpot

Open-source design and prototyping platform with native design tokens, real CSS layouts and self-hosting — a strong Figma alternative.

Alternative to:
FigmaFigma
InvenTree

InvenTree

Open-source inventory management for parts, stock, BOMs, and builds, aimed at electronics makers, SMEs, and hobbyists.

Alternative to:
PartsBoxPartsBox
Matcha

Matcha

A beautiful terminal email client built with Go and Bubble Tea. An open source alternative to Superhuman and Outlook for the command line.

Alternative to:
Microsoft OutlookMicrosoft Outlook
PinePods

PinePods

A self-hosted, cross-platform podcast management system with a modern Rust and Python stack.

Alternative to:
Apple PodcastsApple Podcasts
PdfDing

PdfDing

Self-hosted PDF manager, viewer, and editor with multi-device sync, tagging, and an in-browser reader; deployable via Docker.

Alternative to:
Adobe AcrobatAdobe Acrobat
Frappe CRM

Frappe CRM

Open source CRM with unlimited users, built by the Frappe team for lead, deal and sales pipeline management.

Alternative to:
HubSpotHubSpot
Authentik

Authentik

Open source identity provider and SSO solution that replaces Auth0 and Okta with a self-hostable, flexible authentication platform.

Alternative to:
Auth0Auth0
Crestr

Crestr

Open-source hiking route planner for Cumbria with elevation-aware A* routing, manual snap-to-path plotting, POIs, and GPX/GeoJSON export.

Alternative to:
KomootKomoot
Android Webcam System

Android Webcam System

Turn your Android phone into a 4K webcam via USB or WiFi with an open-source desktop client and mobile app.

Alternative to:
DroidCamDroidCam
Speakr

Speakr

Self-hosted AI transcription and intelligent note-taking platform that turns audio recordings into organized, searchable notes with speaker identification.

Alternative to:
Otter.aiOtter.ai
Tandoor Recipes

Tandoor Recipes

Open-source, self-hosted recipe manager — import from any website, plan meals, build shopping lists and cook with family. Free alternative to Paprika.

Alternative to:
Paprika Recipe ManagerPaprika Recipe Manager