Python Libraries and Tools

Browse 678 Python Libraries and Tools on AlternativeTo including popular Python options.

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  1. Matrix icon
     424 likes

    Open protocol for decentralized, end-to-end encrypted communication supporting instant messaging, VoIP, IoT, data persistence, and silos bridging over federated servers.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2016

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • Self-Hosted
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • Python
    • GB flagUnited Kingdom
    Main Page
    Matrix screenshot 1
    213 alternatives
    3.9
  2. ActivityWatch icon
     595 likes

    Open-source app tracking time on devices, maintaining privacy and versatility, with features like productivity insights, Pomodoro timers, and local data storage.

    Cost / License

    Application type

    Since

    • Since 2017

    Platforms

    • Windows
    • Mac
    • Linux
    • Self-Hosted
    • Android
    • Android Tablet
    • Python
    • Rust
    • Google Chrome
    • Mozilla Firefox
    • Chromium
    • SE flagSweden
    • European Union flagEU
    ActivityWatch screenshot 1
    ActivityWatch screenshot 2
    ActivityWatch screenshot 3
    134 alternatives
    4.6
    Excellent48 ratings
  3. Home Assistant icon
     207 likes

    Open-source and privacy-first home automation with an emphasis on local control and backed by a worldwide community. Runs on Raspberry Pi or local server.

    Cost / License

    Application type

    Since

    • Since 2015

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Self-Hosted
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • Python
    • US flagUnited States
    Home Assistant screenshot 1
    51 alternatives
    5.0
    Excellent13 ratings
  4. Deluge icon
     724 likes

    Deluge is a full-featured BitTorrent client for Linux, Unix and Windows. It is written in python, uses libtorrent (rasterbar) at its core and GTK for the main user interface along with web and console interfaces for advanced client/server...

    Cost / License

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • FreeBSD
    • Docker
    • Python
    • libtorrent
    • Flathub
    • Flatpak
    • MacPorts
    • US flagUnited States
    Deluge screenshot 1
    Main UI
    Peers
    +2
    Statistics
    81 alternatives
    3.5
  5. youtube-dl icon
     479 likes

    Download videos from YouTube and over 1000 sites using a platform-independent command-line tool, requiring Python. Integration with other programs is possible.

    Cost / License

    Application type

    Since

    • Since 2010

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Python
    • Haiku
    • TrueOS
    • ES flagSpain
    • European Union flagEU
    youtube-dl screenshot 1
    283 alternatives
    4.5
    Excellent24 ratings
  6. Picard is the next generation MusicBrainz tagging application. This new tagging concept is album oriented, as opposed to track/file oriented like the ClassicTagger was. Picard is written in Python, which is a cross-platform language, and makes use of cross-platform libraries -...

    Cost / License

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • Python
    • PortableApps.com
    • Global
    Main
    71 alternatives
    4.1
    Very Good16 ratings
  7. RomM icon
     22 likes

    Self-hosted ROM manager for scanning, organizing, and playing games, with support for 400+ platforms, custom metadata, browser-based play, sharing, and achievements.

    Cost / License

    Since

    • Since 2025

    Platforms

    • Self-Hosted
    • Docker
    • Python
    • Cloudron
    RomM screenshot 1
    RomM screenshot 1
    RomM screenshot 2
    +10
    RomM screenshot 3
    11 alternatives
  8. La Suite Docs icon
     28 likes

    Collaborative platform for real-time note-taking, documentation, and wikis, with offline support, granular permissions, AI tools, and multiple export formats.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • Since 2025

    Platforms

    • Online
    • Self-Hosted
    • Docker
    • Python
    • JavaScript
    • Typescript
    • React
    • Django
    • Next.js
    • FR flagFrance
    • European Union flagEU
    La Suite Docs screenshot 1
    La Suite Docs screenshot 1
    La Suite Docs screenshot 2
    +2
    La Suite Docs screenshot 3
    137 alternatives
  9. Wan icon
     24 likes

    Open-source video model offering superior performance, generating videos efficiently on consumer GPUs and excelling in text conversion and editing.

    Cost / License

    Application type

    Since

    • Since 2025

    Platforms

    • Self-Hosted
    • Python
    • CN flagChina
    Wan screenshot 1
    Wan screenshot 1
    Wan screenshot 2
    +9
    Wan screenshot 3
    84 alternatives
  10. Weblate icon
     68 likes

    Weblate is a web based translation tool with tight VCS integration. It features simple and clean user interface, propagation of translations across components, consistency checks and automatic linking to source files.

    Cost / License

    Application type

    Since

    • Since 2012

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Self-Hosted
    • Docker
    • Python
    • JavaScript
    • Cloudron
    • PostgreSQL
    • Django
    • Redis
    • CZ flagCzechia
    • European Union flagEU
    Short landing page
    Translation context
    Own translations
    +5
    Project overview
    53 alternatives
  11. Django icon
     125 likes

    Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Built by experienced developers, it takes care of much of the hassle of Web development, so you can focus on writing your app without needing to reinvent the wheel.

    Cost / License

    Application type

    Since

    • Since 2011

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Self-Hosted
    • Python
    • US flagUnited States
    Django screenshot 1
    54 alternatives
  12. Meshroom icon
     43 likes

    Meshroom is a free, open-source 3D Reconstruction Software based on the AliceVision Photogrammetric Computer Vision framework.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2018

    Platforms

    • Windows
    • Linux
    • Python
    • FR flagFrance
    • European Union flagEU
    Meshroom Standalone: 3D Reconstruction Software
    ofxMVG: Camera Localization OpenFX Plugin for Nuke
    24 alternatives
  13. ZeroNet icon
     128 likes

    ZeroNet uses cryptography (Bitcoin library) and BitTorrent DHT (centralized trackers) to build a distributed censorship-resistant network.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2015

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • Self-Hosted
    • Python
    • JavaScript
    • NameCoin
    • gevent
    • Global
    ZeroNet screenshot 1
    ZeroNet screenshot 1
    ZeroNet screenshot 2
    +1
    ZeroNet screenshot 3
    30 alternatives
  14. Ansible icon
     100 likes

    Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.

    Cost / License

    Application type

    Since

    • Since 2012

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Python
    • US flagUnited States
    Architecture
    57 alternatives
  15. LetsFG icon
     10 likes

    LetsFG provides your AI agent with flight search and booking capabilities. The server-side engine scans several websites and airline services trying to find the cheapest price.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Since

    • Since 2026

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • Python
    • JavaScript
    • Typescript
    • npm
    • PL flagPoland
    • European Union flagEU
    LetsFG screenshot 1
    LetsFG screenshot 1
    52 alternatives
  16. Blackbird OSINT icon
     23 likes

    Performs username and email searches across 600+ platforms, integrates automated AI analysis, metadata extraction, WhatsMyName support, export options, and CLI.

    Cost / License

    Since

    • Since 2022

    Platforms

    • Windows
    • Mac
    • Linux
    • Python
    • BR flagBrazil
    Blackbird OSINT screenshot 1
    Blackbird OSINT screenshot 1
    Blackbird OSINT screenshot 2
    23 alternatives
  17. Janus icon
     16 likes

    Autoregressive models that unify multimodal tasks, surpassing specialized models with visual path decoupling, autoregressive integration, and flexible design.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • Since 2025

    Platforms

    • Self-Hosted
    • Python
    • Global
    Janus screenshot 1
    Janus screenshot 1
    Janus screenshot 2
    77 alternatives
  18. copyparty icon
     17 likes

    Portable file server with accelerated resumable uploads, dedup, WebDAV, FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file, no deps.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • Since 2025

    Platforms

    • Windows
    • Mac
    • Linux
    • FreeBSD
    • Self-Hosted
    • Android
    • Docker
    • Python
    • Raspberry Pi
    • Termux
    • NO flagNorway
    The browser
    Uploading
    Thumbnails
    +4
    Searching
    78 alternatives
  19. Spyder icon
     73 likes

    Combines advanced development tools with scientific package capabilities for enhanced data analysis and visualization familiar to scientists.

    Cost / License

    • Free
    • Open Source (MIT)

    Since

    • Since 2010

    Platforms

    • Windows
    • Mac
    • Linux
    • Python
    • Flathub
    • Flatpak
    • US flagUnited States
    Spyder screenshot 1
    Spyder screenshot 1
    48 alternatives