From Bitcoin Wiki
BTCPoolman is a mining pool.
This pool initially pays out a proportional share, and is implementing a Pay-per-Share (PPS) reward systems.
The service was first publicly available on March 01, 2013 and it supports getwork and stratum.
- Initially Proportional, once we have blocks mined, Pay-per-Share: 2% fee.
- Getwork servers
- Stratum servers (preferred)