For more general information about the project, make sure to also have a look at the user manual, which has some in-depth explanations on how things work.
First, the technical stuff:
libqinfinity version 0.5.1:
http://download.kde.org/stable/libqinfinity/0.5.1/src/libqinfinity-v0.5.1.tar.xz.mirrorlist
SHA256: bcfeb899921057cf4e7f393c48ca6b4f7e3ee21c64c783f692a5af48118755ad
kte-collaborative version 0.1.80 (aka 0.2 beta 1):
http://download.kde.org/unstable/kte-collaborative/0.1.80/src/kte-collaborative-v0.1.80.tar.xz.mirrorlist
SHA256: 2679611900796be86af8fc84a5f90bb76fedff715f29d4530ed5ccf982c3fe03
kte-collaborative depends on kde-telepathy 0.7 beta or later.
Now, read on for the more interesting things!http://download.kde.org/stable/libqinfinity/0.5.1/src/libqinfinity-v0.5.1.tar.xz.mirrorlist
SHA256: bcfeb899921057cf4e7f393c48ca6b4f7e3ee21c64c783f692a5af48118755ad
kte-collaborative version 0.1.80 (aka 0.2 beta 1):
http://download.kde.org/unstable/kte-collaborative/0.1.80/src/kte-collaborative-v0.1.80.tar.xz.mirrorlist
SHA256: 2679611900796be86af8fc84a5f90bb76fedff715f29d4530ed5ccf982c3fe03
kte-collaborative depends on kde-telepathy 0.7 beta or later.