cold0
ConditionalFree open-source cold email sender built with SvelteKit. Contact lists, personalized templates with dynamic variables, and PostgreSQL-backed management.
Tool matchup
cold0 vs Saleshandy for consultants. Compare two Lead Gen & Outbound tools on pricing, setup speed, strengths, and Curalo score.
Free open-source cold email sender built with SvelteKit. Contact lists, personalized templates with dynamic variables, and PostgreSQL-backed management.
Cold email outreach platform focused on deliverability, sender rotation, and scaling with unlimited email accounts.
Saleshandy leads by 30 points (clear winner).
Client-ready brief
Send a concise summary of winner, trade-offs, and rollout recommendation.
Best fit
Best for: Developers who want to learn cold email infrastructure from the ground up.
Why pick it: Truly free, no usage limits. Good if you want to learn how cold email infrastructure works from the ground up.
Watch for: Single-developer project with no support. Not production-ready for serious outbound — use a hosted platform instead.
Best for: Consultants who need to scale outbound while keeping reply rates healthy across multiple sender accounts.
Why pick it: Unlimited sender accounts and deliverability controls are strong for teams that quickly outgrow single-inbox outreach.
Watch for: If you do low-volume outreach, you may not use the account-scaling features enough to justify switching.
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| C cold0 | Saleshandy | |
|---|---|---|
| Quick facts | ||
| Pricing sanity | Free | From $25/mo |
| Setup speed | Long setup | 30 min setup |
| Intelligence | Focused | Medium |
| Integrations | 2+ | 5+ |
| Score breakdown | ||
| Outcome fit | 10/25 | 20/25 |
| Setup speed | 6/20 | 14/20 |
| Pricing sanity | 14/15 | 11/15 |
| Integrations | 6/15 | 10/15 |
| UX polish | 5/15 | 11/15 |
| Trust & support | 3/10 | 8/10 |
| Summary | ||
| Best for | Developers who want to learn cold email infrastructure from the ground up. | Consultants who need to scale outbound while keeping reply rates healthy across multiple sender accounts. |
| Key strength | Strong on pricing | Strong on outcomes |
| Main weakness | Strong on setup speed | Strong on integrations |
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