Corrections that outlive the session. A guard blocks the edit that writes the old value back.
Free
One server, in memory & knowledge. Corrections that outlive the session. A guard blocks the edit that writes the old value back.
Memory & Knowledge
Corrections that outlive the session. A guard blocks the edit that writes the old value back.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.