The $0/Month Solo Stack
Every tool below has a verified free tier that works for a single user. No trials — these are permanent free plans.
| Category | Tool | Free Tier | Key Limits |
|---|---|---|---|
| CRM | HubSpot Free | $0/mo | Unlimited contacts, basic CRM, 2,000 email sends/mo, HubSpot branding |
| Email Marketing | Kit Newsletter (free) | $0/mo | 10,000 subscribers, unlimited sends, no automations or integrations |
| Newsletter | beehiiv Launch | $0/mo | 2,500 subscribers, unlimited sends, custom domain, beehiiv branding |
| Automation | Make Free | $0/mo | 1,000 operations/mo, 2 active scenarios |
| Project Management | Notion Free | $0/mo | Unlimited pages, 7-day page history, 10 guest collaborators |
| Task Management | Todoist Beginner | $0/mo | 5 personal projects, 5 collaborators, 5MB uploads |
| Scheduling | Calendly Free | $0/mo | 1 event type, 1 calendar connection |
| Forms | Tally Free | $0/mo | Unlimited forms, unlimited submissions, conditional logic, Tally branding |
| Communication | Discord Free | $0/mo | Unlimited messages, voice/video, screen sharing at 720p |
| Analytics | PostHog Free | $0/mo | 1M analytics events, 5K session replays, 1M feature flag requests |
| Social Media | Buffer Free | $0/mo | 3 channels, 10 posts per channel, 1 user |
Total: $0/month. Every price verified against vendor pricing pages, March 2026.
The Best-Value Paid Solo Stack
When free limits cost you time, these are the cheapest upgrades that actually matter for a solo operator.
| Category | Tool + Plan | Monthly | Why Upgrade |
|---|---|---|---|
| CRM | Pipedrive Lite | $14/mo | Visual pipeline, deal tracking, 3,000 deals |
| Brevo Starter | $9/mo | 5,000 emails/mo, no daily limit, unlimited contacts | |
| Automation | Make Core | $10.59/mo | 10,000 ops/mo, unlimited scenarios |
| Analytics | Plausible Starter | $9/mo | 10K pageviews/mo, privacy-friendly, no cookies needed |
| Social | Buffer Essentials (1 channel) | $6/mo | Unlimited posts, engagement tools, 30-day analytics |
Total: $48.59/month. Keep Notion free, Tally free, Calendly free, and Discord free. Upgrade only the tools where limits cost you time or revenue.
Where Solo Operators Get Trapped
Paying for seats you don't use
Monday.com requires 3-seat minimum on paid plans ($12/seat/mo = $36/mo). Asana free caps at 2 users. As a solo operator, tools with flat pricing (Basecamp $15/mo) or single-seat pricing (Pipedrive Lite $14/seat) are better.
Enterprise CRM overkill
Salesforce Starter Suite is $25/seat/mo — reasonable, but the implementation complexity is high. HubSpot Free or Pipedrive Lite at $14/seat covers 95% of solo CRM needs.
Zapier over Make at low volume
Zapier Free gives you 100 tasks/month (two-step only). Make Free gives you 1,000 operations/month with 2 scenarios. For solo operators, Make's free tier stretches 10x further. Paid: Zapier Professional $29.99/mo vs Make Core $10.59/mo.
FAQ
Can I really run a business on $0/month?
Yes, for early-stage businesses. HubSpot Free handles CRM, Kit free handles email to 10,000 subscribers, Notion free handles docs and PM, and Tally free handles forms. You hit limits when you need automations, remove branding, or exceed subscriber caps.
What should I pay for first?
Automation (Make Core at $10.59/mo) is typically the highest-ROI first upgrade. It eliminates repetitive tasks that cost you hours. After that, CRM (Pipedrive Lite at $14/mo) if you manage deals.
When do I outgrow the solo stack?
When you hire your first employee or contractor who needs access. Most free tiers cap at 1–3 users. See our 5-person team cost guide for the next level.