Om dizze add-ons te brûken, moatte jo Firefox downloade.

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Add-onpiktogram

Beoardielingen foar Tab Session Manager

Tab Session Manager troch sienori

4,2 stjer fan 5
5
735
4
205
3
50
2
47
1
121
Wurdearringen foar Firefox-brûker 14826953
troch Firefox-brûker 14826953, 6 jierren lyn
From now Firefox works only with signed add-ons.
Please sign your add-on.

PS temporary solution from Firefox docs
about:config xpinstall.signatures.required = false