Alternatives

The Best Ioq3 Alternatives in 2026

24 alternatives1 free · 22 open source

Looking for something like Ioq3? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 22 are open source.

About Ioq3github.com/ioquake/ioq3
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ioquake3 continues development of the Quake III Arena engine for supported platforms.

PricingNot confirmed
Platforms—

Top picks at a glance

Quick comparison

#AlternativePricingOpen sourcePlatforms
1Keeperfx —Yes—
2Wiki / Forum —Not statedWeb
3ModDB —Not statedLinux, Web, Windows
4Nitrox —YesLinux
5Mod Menu —Yes—
6PAX —Yes—
7RingRacers —YesLinux, macOS, Windows
8Raven M —Yes—
9UsefulMods —Yes—
10OpenBOR —YesAndroid, Linux, macOS
24 shown

All Ioq3 alternatives

1

Keeperfx

github.com/dkfans/keeperfxOpen source
Also covers game, game development, and open source · same kind of open-source project

Dungeon Keeper receives an open source remake and fan expansion in KeeperFX.

2

Wiki / Forum

chronocrash.com
Also covers game and game development

Browse the ChronoCrash community for OpenBOR games, engine resources, and game development discussion.

3

ModDB

moddb.com
Also covers game and game development

ModDB covers game development and modding, with downloads for user-created content across Windows, Mac, and Linux.

4

Nitrox

github.com/SubnauticaNitrox/NitroxOpen source
Also covers game and open source · same kind of open-source project

Nitrox provides an open-source multiplayer modification for Subnautica, which its project describes as being in early development.

5

Mod Menu

github.com/TerraformersMC/ModMenuOpen source
Also covers open source · same kind of open-source project

Mod Menu displays installed mods and can open their configuration screens when supported; it also supports multiple loaders.

6

PAX

github.com/maradotwebp/paxOpen source
Also covers open source · same kind of open-source project

PAX manages Minecraft modpacks for solo or team development and supports Forge, Fabric, and version control.

8

Raven M

github.com/RavenfieldCommunity/RavenMOpen source
Also covers open source · same kind of open-source project

RavenM is a community multiplayer mod for Ravenfield; its page notes that it is still in development and may have bugs.

9

UsefulMods

github.com/TheUsefulLists/UsefulModsOpen sourcePick
Also covers open source · same kind of open-source project

UsefulMods collects game modification recommendations, and its page notes that the former list maintainer stopped updating it.

10

OpenBOR

github.com/DCurrent/openborOpen source
Also covers game and open source · same kind of open-source project

OpenBOR is a royalty-free sprite-based side-scrolling engine for beat 'em up games and other gameplay styles.

12

Forge

github.com/Card-Forge/forgeOpen source
Also covers game and open source · same kind of open-source project

Forge provides an unofficial rules engine for tabletop role-playing games, supporting character and game session management.

14

Beam Mp

github.com/BeamMP/BeamMPFreeOpen source
Also covers game and open source · same kind of open-source project · free

Play BeamNG.drive with other players using BeamMP, a multiplayer project.

16

ModOrganizer

github.com/ModOrganizer2/modorganizerOpen source
Also covers game and open source · same kind of open-source project

Mod Organizer manages mod collections of varying sizes and is designed for people who experiment with mods and need profiles.

18

Unciv

github.com/yairm210/UncivOpen source
Also covers game and open source · same kind of open-source project

Unciv recreates Civilization V as an open source game for desktop computers and Android.

20

Peacock

github.com/thepeacockproject/PeacockOpen source
Also covers game and open source · same kind of open-source project

The Peacock Project replaces servers for the HITMAN World of Assassination trilogy to preserve online play and add features.

22

Bridge

github.com/Geomitron/BridgeOpen source
Also covers game and open source · same kind of open-source project

Bridge searches for rhythm game charts and downloads them for use in Clone Hero, YARG, and similar games.

23

r2modman

github.com/ebkr/r2modmanPlusOpen source
Also covers game and open source · same kind of open-source project

r2modman manages mods for several games through Thunderstore, according to its project description.

24

N64Recomp

github.com/N64Recomp/N64RecompOpen source
Also covers game and open source · same kind of open-source project

N64Recomp statically recompiles Nintendo 64 game binaries into C code that can be built for multiple platforms.

No alternatives match this filter.

Alternatives to similar tools

All alternatives
What is the best alternative to Ioq3?
Based on features, tags and platforms, the closest alternatives to Ioq3 are Keeperfx, Wiki / Forum, and ModDB.
Is there a free alternative to Ioq3?
Yes. Beam Mp is free or offer a free plan.
Are there open-source alternatives to Ioq3?
Yes: Keeperfx, Nitrox, Mod Menu, and PAX.

Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative