"Free" covers four different things, and the difference matters when you have no budget. This guide sorts freelance AI and productivity tools into those four buckets, gives the current free allowance for each (verified against the official pages), and ends with a worked $0 stack you can actually run.
Free allowances verified against official pricing pages in September 2026, except where noted as "check current." Free plans change often — treat every number here as accurate on that date, not permanent. Nothing on this list is "$0 forever" because any provider can change its free plan.
The four kinds of "free"
- Actually free — a permanent plan you can use indefinitely without a card. The allowance may be modest, but it doesn't expire.
- Free with significant limits — permanent and free, but the caps (monthly tasks, export length, a watermark) will interrupt real client work fairly quickly.
- Free trial only — full access for a set number of days, usually needs a card, then charges unless you cancel. Useful for evaluating, not for running on.
- Free tier exists, but the useful part is paid — you can log in for free, but the feature you actually wanted (automated reminders, the AI layer, higher-res export) is behind a paywall.
The tools, by bucket
| Tool | Category | Current free allowance (Sept 2026) | Card required? | Best use | Main restriction |
|---|---|---|---|---|---|
| Claude (Free) | AI assistant | Chat on web, iOS, Android, desktop; capped daily usage | No | Drafting, outlining, rewriting | Daily message cap; resets after a few hours |
| ChatGPT (Free) | AI assistant | Usage-limited free tier — check current terms | No | General assistant tasks | Model access and limits vary; changed in 2026 |
| Grammarly (Free) | Editing | Spelling, grammar, tone; 100 AI prompts | No | Proofreading everything you send | Full-sentence rewrites and plagiarism check are paid |
| Wave (Starter) | Invoicing / bookkeeping | Unlimited invoices, estimates, bills, bookkeeping | No | Sending invoices and keeping basic books free | Automated late-payment reminders and bank import are on Pro ($19/mo) |
| Calendly (Free) | Scheduling | 1 event type, 1 calendar connection | No | One standard call type | Only one event type; no payments on free |
| Cal.com (Free) | Scheduling | Unlimited event types and calendar connections for an individual — confirm current terms | No | Multiple call types free | Team features and some integrations are paid |
| Fathom (Free) | Meeting notes | Unlimited recordings, transcriptions and AI summaries | No | Call notes and action lists | Advanced action items and assistant are paid |
| Otter (Basic) | Transcription | 300 transcription min/mo; 30-min meeting cap; 3 lifetime file imports | No | Live transcription for occasional calls | 30-minute meeting cap bites quickly |
| Notion (Free) | Docs / notes | Unlimited pages and blocks for one person | No | Client notes, SOPs, prompt library | Notion AI is trial-only on Free; included from the Business plan |
| Buffer (Free) | Social scheduling | 3 channels; 10 scheduled posts per channel; AI Assistant included | No | One client's core channels | 10-post queue per channel; refill as they publish |
| Metricool (Free) | Social scheduling + analytics | 1 connected brand; 20 scheduled posts/mo; AI assistant; basic analytics | No | One client, with light analytics | 20 posts/mo is the hard cap |
| Descript (Free) | Video / audio editing | 1 hour of media per month; 100 one-time AI credits; 720p export with watermark | No | Trying text-based editing | Watermark and 1 hr/mo make client delivery impractical |
| Kapwing (Free) | Video editing | 10 credits/mo; exports with a watermark; 4-minute export cap; 720p; 2 GB uploads | No | Quick captioned clips for yourself | Watermark rules it out for paid deliverables |
| Runway (Free) | Generative video/image | 125 one-time credits; 5 GB storage | No | A one-off look at generative video | Credits don't renew — effectively a demo |
| Zapier (Free) | Automation | 100 tasks/month; two-step Zaps; 15-minute update time; unlimited Zaps | No | One or two simple automations | 100 tasks/mo and no multi-step logic |
| Make (Free) | Automation | 1,000 credits/month; 2 active scenarios; 15-minute minimum interval | No | More complex free automation than Zapier | Only 2 scenarios can be active at once |
| Canva (Free) | Design | Templates and limited AI generation — check current limits | No | Social graphics, simple layouts | Higher-res export and more AI credits are on Pro |
"Free trial only" tools deliberately left out of the table because they're not a free plan: Jasper, Copy.ai, Later, FreshBooks, Bonsai and DocuSign all offer a time-limited trial (most require a card) rather than a permanent free tier.
Build a $0 freelancer AI stack
A realistic stack for a new freelancer, using only the permanent free plans above:
- Drafting & ideas: Claude Free (or ChatGPT Free).
- Editing: Grammarly Free — proofreads whatever you write, in any app.
- Invoicing & books: Wave Starter — send invoices, track income and expenses, $0.
- Scheduling: Cal.com Free (if you need several call types) or Calendly Free (if one type is enough).
- Call notes: Fathom Free — genuinely unlimited on the free plan.
- Notes, SOPs, prompt library: Notion Free.
- Light design: Canva Free.
- Social (if you offer it): Buffer Free for up to three of one client's channels, or Metricool Free for one brand with basic analytics.
Total monthly cost: $0. This covers a solo freelancer running a handful of clients.
Where a $0 stack stops being practical
- Heavy drafting. If you write for hours daily, you'll hit Claude's or ChatGPT's free daily cap and Grammarly's 100 monthly AI prompts. A single paid assistant plan is the first upgrade most writers need.
- Chasing payments. Wave's free plan sends invoices but not automatic late-payment reminders. Once you have late payers, that's worth the Pro upgrade.
- More than one social client. Buffer's free plan is three channels total and Metricool's is one brand. A second client means paying, or splitting across both free tools.
- Delivering video. Every free video tier here either watermarks output or caps it at a few minutes. Client-ready video needs a paid plan.
- Automation beyond one workflow. Zapier's 100 tasks/month and Make's two active scenarios are fine for one automation, not a connected system.
Using free tiers well
- Only upgrade a tool after you've hit its limit in paid client work three or more times in a month — one interruption is a coincidence, a pattern is a signal.
- Upgrade one tool at a time, starting with the one you open every day.
- Avoid card-required "free trials" that auto-convert; set a reminder to cancel before the charge if you do start one.
- Don't tool-hop for marginally better free limits — the relearning cost usually outweighs the gain.
Ready to put these to use? See 5 AI-powered side hustles you can start this weekend, or our beginner's guide to Zapier and Make.