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Top 23 C Lightweight Projects
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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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FlashDB
An ultra-lightweight database that supports key-value and time series data | 一款支持 KV 数据和时序数据的超轻量级数据库
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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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RGFW
A cross platform lightweight single-header simple-to-use window abstraction library for creating graphical programs or libraries.
Project mention: Is it possible to write plain C iOS app in 2025? | news.ycombinator.com | 2025-04-14I’ve written a pure C Mac desktop app in 2024 that called the objective-c bindings directly. It is using a modified version of this library https://github.com/ColleagueRiley/RGFW
While I don’t think that library does iOS specifically, you can have a look at the code to see how you can call objective-c from c. Spoiler: doing so kind of sucks, and also the library code isn’t the most elegant thing I’ve seen.
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lwmem
Lightweight dynamic memory manager library for embedded systems with memory constraints. It implements malloc, calloc, realloc and free functions
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jobflow
distribute and coordinate work using parallel processes (like GNU parallel, but much faster and memory-efficient)
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Project mention: Fbgl: Lightweight 2D Framebuffer Graphics Library for Linux | news.ycombinator.com | 2024-11-28
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imd
Rebuild of my md program. It's better looking, working, and has better features. The Improved terminal MarkDown file reader / viewer / styler / tui.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
C Lightweight discussion
C Lightweight related posts
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Show HN: Neco – Coroutine Library for C
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RFont | Simple-to-use single header modular font rendering library
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Is there a way to configure docker (or podman) to use axel while pulling images from docker hub on linux?
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Splitting the stack - is there a library for this?
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using tmux with st (auto close session on exit)
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are these wget downloads always around 100 kbps?
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I now have a minimalistic server
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A note from our sponsor - Stream
getstream.io | 14 Jul 2025
Index
What are some of the best open-source Lightweight projects in C? This list will help you:
# | Project | Stars |
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1 | libwebsockets | 5,030 |
2 | libaco | 3,591 |
3 | axel | 3,195 |
4 | JankyBorders | 2,382 |
5 | FlashDB | 2,140 |
6 | microsocks | 1,784 |
7 | librg | 1,391 |
8 | gunslinger | 1,350 |
9 | uTox | 1,055 |
10 | RGFW | 1,029 |
11 | Performance Co-Pilot | 1,008 |
12 | herbe | 530 |
13 | lwmem | 378 |
14 | dao | 198 |
15 | polybar-spotify-module | 144 |
16 | cgif | 127 |
17 | jobflow | 98 |
18 | libe131 | 88 |
19 | kcs | 52 |
20 | fbgl | 48 |
21 | Newtrodit | 44 |
22 | RFont | 39 |
23 | imd | 14 |