The Freelancer's Complete Stack Under $30/Month
You don't need to spend $200/month on software to run a freelance business. Here's a complete stack — CRM, invoicing, scheduling, email, proposals, and automation — that starts at $0 and only costs money when your revenue justifies it.
Sasanova Team · Editorial · March 2026
Independent software comparison team. All data verified from first-party vendor sources.
Tested: All free tiers verified against vendor pricing pages · 6 sources verified
See our methodology →The $0 freelance stack
HubSpot Free CRM + Wave Free + Cal.com Free + Kit Free + Google Docs + Zapier Free. Total: $0/month. Every tool on this list has a genuinely useful free tier with no trial expiration.
1. CRM: HubSpot Free CRM
HubSpot Free CRM
Unlimited contacts, deal pipeline, email tracking, meeting scheduling, and live chat. The free tier handles everything a freelancer needs for client management without paying a cent.
When to upgrade: Upgrade to HubSpot Starter ($20/seat/mo) when you need email sequences and want to remove HubSpot branding. Or switch to Pipedrive Lite ($14/seat/mo) if you prefer a simpler, visual pipeline.
2. Invoicing & Accounting: Wave Starter (Free)
Wave Starter (Free)
Unlimited invoicing, basic accounting, and receipt scanning. One of the few genuinely free accounting tools with no contact limits. Revenue comes from payment processing (2.9% + $0.60 per credit card transaction).
When to upgrade: Upgrade to Wave Pro ($16/mo) when you need automatic bank imports and transaction categorization. Switch to QuickBooks Simple Start ($35/mo) when you need inventory management or multi-currency.
3. Scheduling: Cal.com Free
Cal.com Free
1 user, unlimited event types, unlimited bookings. Open source. Unlike Calendly Free (1 event type only), Cal.com gives you unlimited event types at $0. That means separate booking pages for discovery calls, project kickoffs, and check-ins.
When to upgrade: Upgrade to Cal.com Team ($15/seat/mo) only if you hire subcontractors and need round-robin scheduling. Most freelancers never need to upgrade.
4. Email Marketing: Kit Newsletter (Free)
Kit Newsletter (Free)
Up to 10,000 subscribers with unlimited sends, landing pages, and forms. The most generous free tier for creator-focused email. Build your audience while you freelance.
When to upgrade: Upgrade to Kit Creator ($39/mo) when you need automated email sequences and integrations. Until then, the free tier handles broadcast emails and basic subscriber management.
5. Proposals & Contracts: Google Docs
Google Docs
Free, collaborative, and everyone already has a Google account. Create proposal templates, SOWs, and contracts. Share view-only links for a professional presentation.
When to upgrade: Switch to PandaDoc Essentials ($35/seat/mo) when you need e-signatures, document analytics (who viewed what), and template libraries. Or use PandaDoc Free eSign ($0) for unlimited e-signatures without the editor.
6. Automation: Zapier Free
Zapier Free
100 tasks/month with unlimited Zaps (two-step only). Enough to automate your core workflows: new form submission sends to CRM, new client triggers a welcome email, invoice paid updates your pipeline.
When to upgrade: Upgrade to Zapier Professional ($29.99/mo) when you need multi-step Zaps or exceed 100 tasks/month. Or switch to Make Free (1,000 ops/month, 2 scenarios) for more volume at $0.
Monthly Cost at Three Revenue Stages
| Tool | Pre-Revenue ($0) | $3K/mo Revenue | $10K/mo Revenue |
|---|---|---|---|
| CRM | HubSpot Free ($0) | HubSpot Free ($0) | Pipedrive Lite ($14) |
| Invoicing | Wave Free ($0) | Wave Free ($0) | Wave Pro ($16) |
| Scheduling | Cal.com Free ($0) | Cal.com Free ($0) | Cal.com Free ($0) |
| Kit Free ($0) | Kit Free ($0) | Kit Creator ($39) | |
| Proposals | Google Docs ($0) | Google Docs ($0) | PandaDoc Essentials ($35) |
| Automation | Zapier Free ($0) | Zapier Free ($0) | Make Core ($10.59) |
| Total | $0/mo | $0/mo | $114.59/mo |
Frequently Asked Questions
Why Cal.com over Calendly?
Calendly Free limits you to 1 event type. Cal.com Free gives you unlimited event types and unlimited bookings. For a freelancer with different meeting types (discovery, kickoff, check-in), Cal.com is objectively more generous at $0. Calendly Standard is $12/user/mo if you prefer its polish.
Why not use a CRM with built-in invoicing?
No free CRM includes real invoicing. HubSpot Free handles client relationships; Wave Free handles money. They do different things well. Trying to force one tool to do both means paying $50+/month for a mediocre version of each.
When does this stack stop being free?
Most freelancers can run on $0/month until they hit $5K+/month in revenue. The first upgrade is usually either email (Kit Creator at $39/mo for sequences) or CRM (Pipedrive Lite at $14/seat/mo for a visual pipeline). Neither is urgent until you have 20+ active client conversations.
Can I replace Zapier with Make on the free tier?
Yes. Make Free gives you 1,000 operations/month vs Zapier's 100 tasks/month. Make counts operations per step, so a 5-step scenario uses 5 ops per run. Still, 1,000 ops goes much further than 100 tasks. The trade-off: Make has a steeper learning curve.
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