This is C# library to load ILBM images. Only compressed PBM 8-bit images were tested so it may fail on many ILBM/PBM images.
There is no support for 24/48/64 bit ILBM, transparency or mask and it only knows BODY, BMHD and CMAP chunks.

Archive:  /home/aminet/aminet_root/doc//dev/misc/IFF-ILBM.zip
 Length   Method    Size  Cmpr    Date    Time   CRC-32   Name
--------  ------  ------- ---- ---------- ----- --------  ----
       0  Stored        0   0% 2016-09-11 17:05 00000000  IFF-ILBM/IFF-ILBM/
    2609  Defl:X      918  65% 2016-09-11 17:01 d936228b  IFF-ILBM/IFF-ILBM/IFF-ILBM.csproj
    6522  Defl:X     2163  67% 2016-09-11 17:03 ad28aad7  IFF-ILBM/IFF-ILBM/ILBM.cs
       0  Stored        0   0% 2016-09-11 16:58 00000000  IFF-ILBM/IFF-ILBM/Properties/
    1434  Defl:X      639  55% 2016-09-11 16:58 fa2c8510  IFF-ILBM/IFF-ILBM/Properties/AssemblyInfo.cs
     447  Defl:X      279  38% 2016-09-11 17:13 55bc9452  IFF-ILBM/IFF-ILBM.readme
     993  Defl:X      383  61% 2016-09-11 16:58 75ca3cdb  IFF-ILBM/IFF-ILBM.sln
       0  Stored        0   0% 2016-09-11 17:05 00000000  IFF-ILBM/
--------          -------  ---                            -------
   12005             4382  64%                            8 files