Contribute time

If you have programming skills and good background in one of MRCP related areas, you may help further evolve the software. Checkout the Source, read the Documentation, join the Discussion Group, look through the Issues.
Otherwise, you may still help improve the documentation, update the Wiki pages, test the software and raise new Issues.
Your input is welcome and valuable for the project.

Contribute tools

There are many free and commercial tools, which help develop software. Free tools such as Valgrind (memory profiler), SIPp (SIP call generator), commercial tool such as Enterprise Architect have been actively used during the development, while there are many useful tools left you may want to contribute to make the project even better.

Contribute hardware/software platforms

If you want UniMRCP to run on or work with a particular commercial hardware or software platform, contribute that platform to the project.

Donate money

UniMRCP is an open source project distributed under the Apache 2.0 license. It is freely available from the download area. There is nothing you must pay for. Moreover, you can build commercial solutions based on UniMRCP. However, if you benefit from the project or want to boost up the development, please consider to donate money to funds@unimrcp.org.