JetBrains→5 open-source options
Open-source JetBrains alternatives
Commercial IDE family (IntelliJ IDEA, WebStorm, PyCharm, and more) with deep language tooling. Below are curated open-source options listed on OpenElse, with notes on when each is a better fit.
Official site: www.jetbrains.com

Zed
GPU-accelerated multiplayer code editor written in Rust.

VSCodium
VS Code–compatible binaries without Microsoft branding or telemetry.

Neovim
Extensible Vim-based modal editor focused on speed and Lua config.

Lapce
Lightning-fast Rust code editor with remote development support.

Helix
Post-modern modal editor with tree-sitter and multiple cursors built in.