https://picoide.com/
PicoIDE - an open IDE/ATAPI drive emulator
PicoIDE is an open source IDE/ATAPI drive emulator that supports CD-ROM and hard drives with optional WiFi front panel interface.
open idepicoidedriveemulator
https://posit.co/download/rstudio-desktop
Download RStudio Desktop | Open Source IDE for R & Python
Download the open-source RStudio Desktop IDE for Windows, macOS, and Linux. Be more productive with R and Python using our powerful editor, debugger, and...
desktop open sourcedownload rstudioide
https://mavensmate.com/
MavensMate | Open Source Force.com IDE for Developers
Powerful open source tool for building Force.com IDEs. Develop Force.com applications in your favorite text editors, like Sublime Text.
open sourcefor developersmavensmateforceide