Alternatives to GitHub Copilot

The GNU Compiler Collection and GNU Toolchain (Binutils, GDB, GLIBC)

It is a popular developer productivity extension for Microsoft Visual Studio. It automates most of what can be automated in your coding routines. It finds compiler errors, runtime errors, redundancies, and code smells right as you type, suggesting intelligent corrections for them. ...

Since version 0.101.0 and later Spacemacs totally abolishes the frontiers between Vim and Emacs. The user can now choose his/her preferred editing style and enjoy all the Spacemacs features. Even better, it is possible to dynamically switch between the two styles seamlessly which makes it possible for programmers with different styles to do seat pair programming using the same editor. ...

A collection of Atom UIs to support language services as part of Atom IDE, designed for use with packages built on top of atom-languageclient. ...

Your editor and web browser don't know anything about each other, which is why you end up continuously switching between them. Kite bridges that gap, bringing an internet-connected programming experience right alongside your editor. ...

A minimalist Vim plugin manager.

At its core, it is a library for semantic analysis of Rust code as it changes over time. It is a new "IDE backend" for the Rust programming language. ...

It is a task runner / build tool that aims to be simpler and easier to use than, for example, GNU Make. Since it's written in Go, Task is just a single binary and has no other dependencies, which means you don't need to mess with any complicated install setups just to use a build tool. ...