Free alternatives to Warble

Freemium = a free plan with paid upgrades; check the limits of the free plan.

1. KD

   KStars Desktop Planetarium

   KDE e.V.

   77

   The most feature-rich free astronomy software

   Open source 77 WindowsLinux
2. AN

   Anki

   67

   Memory training application

   Open source 77 LinuxmacOS
3. DS

   DOSBox Staging

   DOSBox Staging

   67

   DOSBox Staging is a modern continuation of DOSBox — your existing configurations will continue to work, and you will have access to many advanced features.

   Open source 77 WindowsLinuxmacOS
4. DX

   DOSBox-X

   joncampbell123 [DOSBox-X Team]

   67

   DOSBox-X is an open-source DOS emulator for running DOS games and applications.

   Open source 77 WindowsLinux
5. GG

   GOG GALAXY

   GOG.com

   67

   All your games and friends in one place.

   Free 77 WindowsLinuxmacOS
6. JA

   JASP

   Universiteit van Amsterdam

   67

   A Fresh Way to Do Statistics

   Open source 77 WindowsLinux
7. LE

   Logisim-evolution

   logisim-evolution developers

   67

   Digital logic design tool and simulator

   Open source 77 WindowsLinux
8. OP

   OpenRCT2

   OpenRCT2

   67

   Open source re-implementation of RollerCoaster Tycoon 2

   Open source 77 WindowsLinux
9. OP

   OpenTTD

   OpenTTD

   67

   OpenTTD is a transport simulation game based upon the popular game Transport Tycoon Deluxe, written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features.

   Open source 77 WindowsLinuxmacOS
10. PO

    PokerTH

    www.pokerth.net

    67

    Easy to learn, funny to play! With PokerTH you can play the popular texas holdem poker game. Try your skills against the computer opponents, and find many friends to play with in the online games.

    Open source 77 WindowsLinux
11. PO

    PolyMC

    PolyMC

    67

    An Open Source Minecraft launcher with the ability to manage multiple instances, accounts and mods.

    Open source 77 WindowsLinux
12. PL

    Prism Launcher

    67

    Minecraft launcher

    Open source 77 LinuxmacOS
13. SH

    shadPS4

    shadps4-emu

    67

    PlayStation 4 emulator for Windows, Linux and macOS written in C++

    Open source 77 WindowsLinux
14. ST

    Stellarium

    Stellarium team

    67

    A free open source planetarium for your computer.

    Open source 77 WindowsLinuxmacOS
15. TW

    twintaillauncher

    TwintailTeam

    67

    A multi-platform launcher for your anime games

    Open source 77 WindowsLinux
16. CZ

    Czkawka

    Rafał Mikrut

    67

    Multi functional app to find duplicates, empty folders, similar images etc.

    Open source 75 WindowsLinux
17. LU

    Luanti

    The Luanti Team

    67

    A free open-source voxel game engine with easy modding and game creation.

    Open source 75 WindowsLinuxmacOS
18. AN

    AntiMicroX

    Humanity

    67

    Graphical program used to map keyboard buttons and mouse controls to a gamepad. Useful for playing games with no gamepad support.

    Open source 70 WindowsLinux
19. AR

    ares

    ares team

    67

    ares is a cross-platform, open source, multi-system emulator, focusing on accuracy and preservation.

    Open source 70 WindowsLinuxmacOS
20. ES

    Endless Sky

    Endless Sky

    67

    A sandbox-style space exploration game.

    Open source 70 WindowsLinux
21. MD

    mdBook

    The Rust Programming Language

    67

    Create book from markdown files. Like Gitbook but implemented in Rust.

    Open source 70 WindowsLinux
22. JO

    JOSM

    JOSM

    67

    JOSM is an extensible editor for OpenStreetMap (OSM) for Java 17+

    Open source 68 WindowsLinuxmacOS
23. NE

    Nethack

    Nethack DevTeam

    67

    Single-player roguelike videogame.

    Open source 68 WindowsLinux
24. BS

    bsnes

    bsnes-emu

    67

    A Super Nintendo (SNES) emulator focused on performance, features, and ease of use.

    Open source 60 WindowsLinux
25. OP

    OpenBoard

    Open Education Foundation

    67

    Interactive whiteboard for schools and universities

    Open source 60 WindowsLinux
26. SU

    SuperTux

    SuperTux Devel Team

    67

    SuperTux is a open-source classic 2D jump'n run sidescroller game in a style similar to the original Super Mario games.

    Open source 60 WindowsLinux
27. W2

    Warzone 2100

    Warzone 2100 Project

    67

    Warzone 2100, released in 1999 and developed by Pumpkin Studios, was a ground-breaking and innovative 3D real-time strategy game.

    Open source 60 WindowsLinux
28. XI

    XIVLauncher

    goaaats

    67

    XIVLauncher (abbreviated as XL) is a faster launcher for Final Fantasy XIV, with various available addons and enhancements to the game!

    Open source 60 WindowsLinux
29. DC

    Dungeon Crawl Stone Soup

    DCSS Devteam

    67

    Dungeon Crawl Stone Soup is a free and open source roguelike computer game, which is the actively community-developed successor of the 1997 roguelike game Linley's Dungeon Crawl, originally programmed by Linley Henzell.

    Open source 58 WindowsLinux
30. OP

    OpenRA

    OpenRA developers

    67

    OpenRA modernizes the classic Command & Conquer real time strategy games.

    Open source 40 WindowsLinuxmacOS