Other type bootloader
- [http://drazzy.com/package_drazzy.com_index.json https://github.com/SpenceKonde/ATTinyCore]
- [https://raw.githubusercontent.com/damellis/attiny/ide-1.6.x-boards-manager/package_damellis_attiny_index.json https://github.com/damellis/attiny]
- [https://raw.githubusercontent.com/mikaelpatel/Cosa/master/package_cosa_index.json https://github.com/mikaelpatel/Cosa]
- [http://www.leonardomiliani.com/repository/package_leonardomiliani.com_index.json https://github.com/leomil72/megax8]
- [https://mcudude.github.io/MicroCore/package_MCUdude_MicroCore_index.json https://github.com/MCUdude/MicroCore]