Mozilla koyaushe yana da alaƙa da tarihin software kyauta da buɗewa, tun lokacin da ta fito daga mambobin rusasshiyar Netscape. A lokacin da a cikin 1998 aka saki lambar shahararriyar mai binciken gidan yanar gizon Netscape Navigator a cikin fasalin 4.x kuma daga gareta aikin Mozilla ya fito har zuwa yanzu, da yawa sun canza kuma sun ci gaba. Daga nasarar da aka samu na samfurin ta, Mozilla Firefox, an ƙara sauran nasarori da ayyukan ga kamfanin.
Yanzu daga Shirin Mozilla (wanda aka ƙaddamar tun 2003) ya ci gaba da sarrafawa da haɓaka software na kyauta da buɗaɗɗen tushe, kuma suna yin hakan tare da nasu ayyukan da kuma ta hanyar haɗin gwiwa da taimakawa masu zaman kansu da masu haɓakawa don ƙirƙirar ƙarin irin wannan nau'in software. Misalin wannan shine kyautar $500.000 don ayyukan buɗaɗɗen tushe waɗanda gidauniyar za ta bayar don taimaka musu da samun ƙarin masu haɓakawa. Tare da duk waɗannan ginshiƙai, gaskiyar ita ce ana haɓaka da tallafawa ɗimbin sabbin ayyuka masu ban sha'awa. Mozilla tana girbi isasshen kuɗi Saboda nasarorin da suka samu ta hanyar budarsu da fasahar yanar gizo, kuma godiya ga kudaden da aka tara, yanzu za su bayar da wancan adadin mai daɗin da muka tattauna a sakin layi na baya ga sabbin ayyukan buɗe tushen. Musamman tare da kyaututtukan har zuwa dalar Amurka 539.000.
Wasu daga ayyukan Muna magana ne game da, misali, Ushahidi (aikin rabawa da tattara tarin bayanan cikin gida), RiseUp (ci gaban kayan aikin tsaro na dijital ga masu gwagwarmaya), Phaser (injin zane-zane don wasannin bidiyo bisa HTML5), da sauransu, a ƙarƙashin shirin Mozilla Open Source Support, wanda aka fi sani da MOSS.