Multimédia
Texto
Fontes
https://fonts.google.com/?selected=Material+Icons
Imagem bitmap
Gimp - https://www.gimp.org/
Imagens gratuitas:
Imagem vetorial
Inkscape - https://inkscape.org/pt/
Ícones - https://fonts.google.com/icons?selected=Material+Icons
Áudio
Audacity - https://www.audacityteam.org/
Músicas gratuitas:
http://www.youtube.com/audiolibrary
http://freemusicarchive.org/genre/Soundtrack/
https://www.facebook.com/sound/collection
Vídeo
VSDC - http://www.videosoftdev.com/pt
Kdenlive - https://kdenlive.org/en/
Biteable - https://biteable.com/
DaVinci Resolve - https://www.blackmagicdesign.com/pt/products/davinciresolve/
Filmora - https://filmora.wondershare.net
Animação
Pencil 2D - https://www.pencil2d.org/
Synfig Studio - https://www.synfig.org/
Blender (Modelação 2D e 3D) - https://www.blender.org/