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Top 23 C++ Mod Projects
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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> And I'm not aware of any KSP mod that helps you plan slingshots
If you're willing to go for the full n-body package, Principia [0] has a pretty nice flight planner that is quite usable for planning more complicated missions.
KSP Trajectory Optimization Tool [1] is a non-mod alternative with some additional capabilities beyond flight planning as well. I think this one is designed for stock gravity so it should be usable in an otherwise vanilla install.
[0]: https://github.com/mockingbirdnest/Principia
[1]: https://github.com/Arrowstar/ksptot
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gta5_fsr
This mod replaces original Grand Theft Auto V upscaler with FidelityFx Super Resolution 1.0
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Project mention: Show HN: Phobos – an engine extension for Red Alert 2: Yuri's Revenge | news.ycombinator.com | 2024-09-24
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SatisfactoryModLoader
SatisfactoryModLoader is an unofficial tool to load mods for the game Satisfactory.
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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Kyber
KYBER is a revolutionary custom server platform and mod launcher for Star Wars™ Battlefront™ II (2017) on PC. (by ArmchairDevelopers)
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Portal-Base
Port of Portal 1 2007 leaked source code to Source SDK 2013. Also includes fixes for Half-Life 2 maps and gameplay.
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AmongUs-Mumble
Mumble VoIP Plugin and mod for the popular game "Among Us" to enable Proximity Voice Chat.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ Mod discussion
C++ Mod related posts
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A rudimentary simulation of the three-body problem
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Nyan, yet Another Notation
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There is no problem with Quest 3.
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I see your 3 thousand hours, and raise you:
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What are the best flat to vr fps ports with motion controls you've played?
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Just beat Portal 2 for the first time, what a treat to do the entire thing in VR. Mad props to the dev
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Anno 1800 Mods Folder
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A note from our sponsor - Stream
getstream.io | 13 Jul 2025
Index
What are some of the best open-source Mod projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | portal2vr | 854 |
| 2 | Principia | 815 |
| 3 | game | 546 |
| 4 | gta5_fsr | 534 |
| 5 | Phobos | 352 |
| 6 | SatisfactoryModLoader | 300 |
| 7 | BakkesModSDK | 251 |
| 8 | skymp | 248 |
| 9 | nyan | 243 |
| 10 | h2-mod | 234 |
| 11 | crysis_vrmod | 207 |
| 12 | NFSMWExOpts | 195 |
| 13 | Kyber | 174 |
| 14 | NFSU2ExOpts | 147 |
| 15 | farcry_vrmod | 137 |
| 16 | AA2Unlimited | 133 |
| 17 | skyrimse-test | 130 |
| 18 | LinkerMod | 120 |
| 19 | Dark-Souls-1-Overhaul | 120 |
| 20 | Portal-Base | 119 |
| 21 | AmongUs-Mumble | 108 |
| 22 | BakkesMod2-Plugins | 98 |
| 23 | TemplePlus | 92 |
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