Audit a data file before publishing: one light per figure. Your data never reaches the server.
Free
One server, in databases. Audit a data file before publishing: one light per figure. Your data never reaches the server.
Databases
Audit a data file before publishing: one light per figure. Your data never reaches the server.
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.