PostCSS (@PostCSS) / X

PostCSS

4,830 posts

PostCSS

@PostCSS

PostCSS is a tool to transform styles with JS plugins. By @sitnikcode and @evilmartians.

Joined November 2014

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PostCSS
@PostCSS
Feb 11, 2020
PostCSS is one of the most popular front-end tools with 80M downloads/month. Even if you don’t use it as a preprocessor, you still use it as a dependency in @Autoprefixer, @webpack or Create React App. Now we are collecting funds to release PostCSS 8.0 opencollective.com/postcss/
PostCSS
@PostCSS
Jul 28
We recommends following this guide for all PostCSS plugins to protect ecosystem from supply chain attacks
@[email protected]
@sitnikcode
Jul 28
My new article is out! A systematic guide to releasing npm packages as safely as possible in 2026 (with a Skill to quickly apply the practices to your own open source projects). Not just “do X”, I cover real attacks and explain how each defense helps. evilmartians.com/chronicles/the…
PostCSS
@PostCSS
Jun 17
Huge thanks to @atlas_cloud_ai for supporting our work with $100/month! 😍️ They are building a multimodal AI inference platform that gives developers a single API for video generation, image generation, and LLMs. atlascloud.ai/?utm_source=tw…
PostCSS
@PostCSS
Sep 16, 2025
Do you want to create popular open source like PostCSS? The creator of PostCSS, @sitnikcode, wrote 2 posts with lessons from creating PostCSS. evilmartians.com/chronicles/wha… evilmartians.com/chronicles/how…
PostCSS
@PostCSS
Aug 28, 2025
Big thanks to @warpdotdev for sponsoring PostCSS! Warp is the agentic development environment, built for coding with multiple AI agents. warp.dev
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