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You do not need a CRM when you have five customers. A spreadsheet works fine. But somewhere between 20 and 50 active conversations, things start falling through the cracks. You forget to follow up. You lose track of who said what. A deal slips because you did not remember to check in. That is when you need a CRM, and thankfully, you do not need to pay for one.

Every major CRM now offers a free tier. The catch is that some free tiers are genuinely useful and others are glorified demos designed to push you into a paid plan within a week. I tested all of them so you do not have to.

Our pick: Attio (free for up to 3 users)

Attio is the CRM I recommend to most founders in 2026. It was built from scratch for modern workflows, not adapted from a 2010-era contact database. The interface is fast, the data model is flexible, and the free tier is genuinely usable without feeling crippled.

What makes Attio different is its relationship intelligence. It automatically enriches contacts with company data, syncs your email history, and builds a timeline of every interaction without you manually logging anything. For a founder juggling sales, partnerships, and investor conversations, this automatic context is worth its weight in gold.

The free plan includes up to 3 users, unlimited contacts, email sync, and the core CRM features. You only hit the wall when you need advanced reporting, automations, or more team members. For a solo founder or a team of two, the free tier can last you through your first 100 customers easily.

See how it stacks up in our Attio vs HubSpot and Attio vs Folk comparisons.

1. HubSpot CRM (free forever, unlimited users)

HubSpot has the most generous free CRM on the market in terms of raw features. Unlimited users, up to 1,000,000 contacts, email tracking, deal pipelines, meeting scheduling, live chat, and basic reporting. All free. No time limit.

The downside is that HubSpot is designed as an enterprise platform, and it shows. The interface is heavy. There are dozens of features you will never use. And the upgrade path is steep - HubSpot's paid plans start at $20/month per seat but jump to hundreds per month for the features most growing companies actually need, like workflow automation and custom reporting.

Best for: Founders who want the most features for free and do not mind a complex interface. Teams that might grow into HubSpot's paid marketing and sales tools later.

2. Attio (free for 3 users)

Attio takes the top spot for overall quality. Modern interface, automatic data enrichment, flexible data model, and a free tier that does not feel like a demo. The three-user limit is the only real constraint, and for most early-stage teams that is not a problem.

Best for: Founders who want a modern, fast CRM without the bloat. Teams that value automatic enrichment and relationship intelligence over raw feature count.

3. Folk (free for 100 contacts)

Folk is a lightweight CRM built for relationship-driven businesses. If your sales process involves warm introductions, partnerships, investor outreach, or community building, Folk feels more natural than a traditional sales pipeline tool. It has a Notion-like interface where contacts live in flexible tables that you can customise per use case.

The free tier is limited to 100 active contacts, which is tight. But for founders in the early networking phase - building partnerships, talking to early adopters, managing investor conversations - 100 contacts can cover the critical relationships.

Best for: Relationship-heavy businesses. Founders doing outbound sales or investor outreach who want a personal, human-feeling CRM.

4. Twenty (free, open-source)

Twenty is an open-source CRM that you can self-host for free with no limits on users or contacts. It is still relatively young compared to HubSpot or Attio, but the product is polished and actively developed. If you are a technical founder who values owning your data and wants zero vendor lock-in, Twenty is the play.

The cloud-hosted version offers a free tier with core CRM features. Self-hosting gives you everything with no restrictions. The interface takes clear inspiration from Attio and Notion - clean, modern, and fast.

Best for: Technical founders who want to self-host. Teams that prioritise data ownership and open-source principles.

5. Streak (free for 500 contacts)

Streak lives inside Gmail. If your entire sales process happens through email and you do not want to switch to a separate app, Streak turns your inbox into a CRM. You manage deals, track emails, and view pipelines without leaving Gmail.

The free tier includes 500 contacts, basic pipelines, and email tracking. It is limited, but the convenience of never leaving your inbox is powerful for solo founders who live in email.

Best for: Solo founders whose sales process is entirely email-based. Anyone who hates switching between apps.

6. Notion (free with CRM templates)

Notion is not a CRM, but thousands of founders use it as one. With the right template and database setup, Notion can handle contacts, deal tracking, follow-up reminders, and pipeline views. The free tier gives you unlimited pages and blocks for personal use.

The advantage is that your CRM lives alongside your notes, docs, and project management. The disadvantage is that it lacks email integration, automatic enrichment, and the specialised features that purpose-built CRMs provide. You are building a CRM from Lego blocks.

Best for: Founders already using Notion who want to keep everything in one place. Very early-stage teams where a simple contact database is sufficient.

7. Brevo (free for unlimited contacts)

Brevo (formerly Sendinblue) offers a free CRM alongside its email marketing platform. Unlimited contacts, deal pipelines, and task management at no cost. The CRM is simpler than HubSpot's but covers the basics well, and it integrates tightly with Brevo's email and marketing tools.

Best for: Founders who also need email marketing and want both in one platform. Small teams that want a straightforward pipeline without complexity.

When to upgrade from free

Free CRM tiers break down at predictable moments. Watch for these signals:

  • You need automations. When you want deals to automatically move stages, emails to send on triggers, or tasks to create themselves, you need a paid plan. This usually happens around 50-100 active deals.
  • Your team grows past 3 people. Most free tiers cap at 2-3 users. Adding a salesperson or customer success person forces the upgrade.
  • Reporting becomes critical. Free tiers give you basic dashboards. When you need to forecast revenue, track conversion rates by source, or measure rep performance, you need paid reporting.
  • You need API access or integrations. Connecting your CRM to Zapier, your billing system, or your support tool often requires a paid plan.

The good news is that by the time you hit these limits, you should have revenue to cover the upgrade. If you are paying for a CRM before you have paying customers, you are spending too early.

Bottom line

Start with Attio if you want the best modern CRM experience for free. Use HubSpot if you need the most features and do not mind complexity. Go with Twenty if you want open-source and self-hosting. And if you are truly pre-revenue with fewer than 20 contacts, a Notion database is honestly fine.

The CRM you will actually use beats the CRM with the best feature list. Pick one, commit to logging your interactions, and upgrade when the free tier genuinely holds you back - not a day before.

See how CRMs fit into your full stack with the Stack Builder, or read our breakdown of the best CRMs for small business.