St Johnstone have signed full-back Richard Foster from Ross County until the end of 2016/17, ahead of Saturday's game with Celtic.
Dundee have landed former Nice defender Kevin Gomis on a one-year deal. The 27-year-old had a loan spell at Nottingham Forest in 2014.
Kilmarnock have brought in right-back Luke Hendrie on loan from Burnley
Albion Rovers have signed Hamilton Accies midfielder Steven Boyd on loan until January.
Stenhousemuir have brought in three new players - forwards Oli Shaw (Hibernian) and Ally Roy (Hearts) have joined on loan until January while former Livingston and Ayr United midfielder David Sinclair signs on after spells last season with Stirling Albion and Bo'ness United.
Stirling Albion have signed 17-year-old winger Callumn Morrison on loan from Hearts until January.