cpeditor
CP Editor is an integrated development environment tailored for competitive programming. It provides a fast editor with syntax highlighting, code folding and auto‑completion, and built‑in tools to fetch problems, compile, run, test and submit solutions to online judges. Supports C, C++, Java, Python and many other languages, includes debugging utilities, benchmarking features, and extensive customization through extensions and themes. Available for Windows, Linux and macOS as a standalone package, via AUR, Snap and Docker. Use it to write, test and submit contest code efficiently.