I am the developer of the following tools:

Multiplier Verification

AMulet 2.1Improved Successor of AMulet.Source | Data | Paper
TeluMA 1.0AMulet2 including Dual VariablesSource | Data | Paper
AMulet 1.5 A Multiplier Verification Tool.Source | Data | Paper

Algebraic Proof Checker

PACheck 2.0A proof checker for the linear practical algebraic calculus. Source | Data | Paper
PACheckA proof checker for the practical algebraic calculus. Source | Data | Paper
Nuss-CheckerA proof checker for algebraic proofs in the Nullstellensatz format.Source | Data | Paper