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Quick answer: Google Vids for video, Gemini's free Deep Research for research, Clipchamp for editing, Photopea for image edits, and systeme.io's free plan for pages and email. All of them have real free plans, not trials.
1. Google Vids (free Veo video)
Every personal Google account gets 10 free AI video clips a month made with Google's Veo model. Most people still don't know it exists.
2. Gemini Deep Research
It's included on Gemini's free plan. Ask a big question, and it reads a pile of pages and writes you a report with sources.
3. Clipchamp free
Microsoft's editor exports 1080p with no watermark on the free plan, and adds AI captions and voiceovers. Good enough for most short-form videos.
4. Viggle
5 free videos a day. It animates a character or swaps someone into a dance or meme clip. It's niche, but fun for faceless content.
5. Photopea
A browser editor that works a lot like Photoshop, and it's free. Harder to learn than Canva, but it does layers and masks.
6. systeme.io free plan
This one isn't "AI", but it replaces three paid tools: pages, email and checkout. You get 2,000 contacts with no card. Start it free.
7. Claude free
The free plan includes web search, memory and projects. For rewriting your captions so they don't sound like a robot wrote them, it's the best free option.
The full list of paid → free swaps is on the free stack.