Yes. Many developers choose to host their own add-ons. Choosing to host your add-on on <a href="%(amo_url)s">Mozilla's add-on site</a>, though, allows for much greater exposure to your add-on due to the large volume of visitors to the site. <a href="%(md_url)s">mozdev.org</a> offers free project hosting for Mozilla applications and extensions providing developers with tools to help manage source code, version control, bug tracking and documentation.
Jo. Wjele wuwijarjow góspodujo swóje dodanki same. Jolic pak góspodujośo waš dodank na <a href="%(amo_url)s">sedle dodankow Mozilla</a>, změjośo wětšy zjawnosć za swój dodank pśez wětšu licbu woglědowarjow na toś tom websedle. <a href="%(md_url)s">mozdev.org</a> bitujo dermotne góspodowanje projektow za nałoženja a rozšyrjenja Mozilla a bitujo wuwijarjam rědy, z kótarymiž mógu žrědłowy kod a wersije zastojaś, zmólki pópšawiś, a dokumentaciju.