CastleGate vs PortableSigner
A side-by-side look at CastleGate and PortableSigner. For an in-depth review of either product, follow the links below.
CastleGate
Network & Admin
CastleGate is an open-source API gateway and management platform that enables developers to secure, manage and monitor APIs. It handles authentication, rate limiting, transformations and more with a flexible rules engine.
opensourceapi-gatewayauthenticationrate-limiting
PortableSigner
Office & Productivity
PortableSigner is a free portable software used to digitally sign PDF and Office documents. It allows applying digital signatures without needing to install additional software.
signingpdfofficedocumentsdigital-signaturesportable
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