scim is described as 'The Smart Common Input Method (SCIM) platform project provides not only a user friendly, full featured input method user interface for POSIX-style operating systems (including'. There are three alternatives to scim for Linux, Mac and BSD. The best alternative is iBus, which is both free and Open Source. Other great apps like scim are UIM (Free, Open Source) and fcitx (Free, Open Source).
- 3 alternatives