Please see below tools you can use for free for developing solutions and preparing the pitch.

Team Tools

Google Keep: Team tasks and organisations

Google Drive: Use google meet, docs, slides and sheets to meet, cowork and store information

F.lux: Protect your eyes from blue light

Video and Presentation Tools

Prezi: create dynamic presentations.

Haiku Deck: create web-based and mobile presentations

GoAnimate: create animated videos.

Pitcherific: Helps you prepare and rehearse your pitch