| Name | Resource | Goals of the project |
|---|---|---|
| osFree | http://www.osfree.org/ | Microkernel OS with OS/2 Personality using the base OS/2 technologies |
| Voyager | http://voyager.netlabs.org/ | OS/2 compatibility on WPS level |
| OS2Linux | http://sourceforge.net/projects/os2linux/ | A library for compatibility with programs using OS/2 API's on Linux (like LibC) |
| OS/2 API emulation for NT | http://i1.dk/ntos2/ | A library for recompiling OS/2 programs to WinNT platform (about 110 OS/2 API's implemented) |
| NuDawn | http://sourceforge.net/projects/nudawn/ | WINE analogue, but for emulating OS/2 API's |
| FreeOS | http://web.archive.org/web/20020328012952/http://soulmatrix.dynodns.net/freeos/ | OS/2 cloning project. Did not left the discussion stage. No real development. |
| ReactOS | http://www.reactos.org/ | Windows NT cloning project. One of its subsystems is ROS/2, essentially - OS/2 Personality support |
| OS64 | https://groups.yahoo.com/neo/groups/os64/info | Goals and tasks unknown, declared some relation with OS/2 |
| OS8/FreePM | http://web.archive.org/web/20071214042403/http://wiki.laser.ru/os8/index.php/FreePM | FreePM project and some info collection, regarding the different OS/2 technologies |
| somFree | http://sourceforge.net/projects/somfree/ | somFree project is an Open Source SOM replacement |
| docShell | http://sourceforge.net/projects/docshell/ | docShell project is an Open Source OpenDoc replacement, based on somFree |
| 2ine | https://hg.icculus.org/icculus/2ine/ | 2ine project aims to emulate OS/2 API on top of Linux |
osFree project is limited in available resources, so, when developing, the principle “Take and adopt” is often used.
| OS part | Source repository | Enhancement cause |
|---|---|---|
| Bootoader | GRUB Legacy | Providing the support of IFS technology |
| Kernel | DROPS/Fiasco/l4Env/L4Re | The base for Personality neutral servers implementation |
| REXX | ReginaREXX/OOREXX | Scripting language support |
| PM | FreePM | Making a minimally working/usable version |
| SOM/WPS | somFree | Direct code reuse |
| GNU/Linux Personality | L4Linux/Afterburner/GNU/Debian | Direct code reuse |
| Family API | HX-DOS Extender | Reuse OS/2 Emulation Layer |