Before revision: The Shared Source Initiative (SSI) is a joint venture between Castle and RISC OS Open Limited (ROOL), a newly formed software development company, which aims to accelerate development and encourage uptake of the OS.
After revision: The Shared Source Initiative (SSI) was a joint venture between Castle and RISC OS Open Limited (ROOL), a newly formed software development company, which aimed to accelerate development and encourage uptake of the OS.