You can also use AMO to find add-ons for Mozilla %(startTBLink)sThunderbird%(endTBLink)s and %(startSMLink)sSeaMonkey%(endSMLink)s.
You can also use AMO to find add-ons for Mozilla %(startTBLink)sThunderbird%(endTBLink)s and %(startSMLink)sSeaMonkey%(endSMLink)s.