The Best Free Tools for Freelancers (A Complete Starter Kit)
Invoicing, scheduling, contracts, project tracking, email marketing and backups, all on free plans. The toolkit to run a freelance business for $0.
You can run a professional freelance business without paying for software, at least until it's earning well. Here's a complete starter kit, one free tool per job, with links to deeper comparisons.
Getting paid
Invoicing: Zoho Invoice or Wave. Both are free for small businesses. Zoho Invoice has more invoicing features; Wave adds free basic bookkeeping. Card payments carry processing fees with any provider. → The best invoicing software for freelancers
Booking calls
Scheduling: Cal.com. Its free plan includes unlimited meeting types, unlike Calendly's free plan, which allows one. Google Calendar's built-in booking pages also work for simple needs. → Calendly vs Cal.com vs Google Calendar
Contracts
E-signatures: 
Dropbox Sign has a free plan covering a few signature requests a month. For signing PDFs others send you, Preview on Mac or free Adobe Reader is enough.
→ The best e-signature tools
Managing projects
Tasks: 
Trello. A board per client, cards for tasks, done. Its free plan suits solo freelancers perfectly.
→ The best project management tools
Finding clients
CRM: 
HubSpot's free CRM tracks leads, conversations and follow-ups so opportunities don't slip.
→ The best CRM for a small business
Local clients: Google Business Profile. Free, and it puts you on Google Maps. → How to set up your Google Business Profile
Staying in touch
Newsletter: Kit is free up to 10,000 subscribers. A monthly email keeps you top of mind with past clients, which is where repeat work comes from. → How to start an email newsletter
Video calls
Google Meet: no install for clients, and free group calls up to an hour.
→ Zoom vs Google Meet vs Teams
Documents and design
- Office work: Google Docs and Sheets, or Microsoft's free web apps. → Free Microsoft Office alternatives
- Graphics: Canva's free plan for social posts and proposals. → Canva vs Figma
- Photos: Affinity, now free. → The best free photo editors
Protecting your business
- Passwords:
Bitwarden free plan. → 1Password vs Bitwarden - Backups: an external drive plus a cloud copy of client work. → The 3-2-1 backup rule
- Two-factor authentication on email and banking. → How to set up 2FA
When to start paying
Free tools have limits, and that's fine. Upgrade when a limit costs you time or money: when you're re-entering data by hand, missing follow-ups, or a client asks for something the free plan can't do. That's the point where software pays for itself.
