Nodemailer
inbox-zeroOpen-source AI email assistant that triages, labels and drafts replies to help clear your inbox.
+28Productivity
Email clients & inbox tools: the tech stack of 16 real products
Email apps, inbox management and email productivity.
The typical stack
The leading pick where at least 8 of them show the decision and the leader has at least a quarter of it.
| Decision | Most common pick | Share | At default usage |
|---|---|---|---|
| Database |  PostgreSQL | 6 of 12 · 50% | — |
| Frontend Framework |  React | 8 of 10 · 80% | — |
| Transactional Email | Resend | 3 of 8 · 38% | $20/mo · Pro 50k |
What they chose, decision by decision
Among the email clients & inbox tools that show each choice, from makers' products and open-source code alike.
Small samples, fewer than 8 products: Payments (Stripe 5, PayPal 2) · Backend Framework (Express 2, Hono 1) · LLM API (OpenAI API 5, Claude 3) · Background Jobs & Cron (BullMQ 3, Temporal 1) · Error Monitoring (Sentry 5) · File Storage (Amazon S3 4, MinIO 2) · Product Analytics (PostHog 3, Mixpanel 2) · Web Analytics (Google Analytics 5, Vercel Web Analytics 1) · Database Access & ORMs (Drizzle ORM 2, Prisma 1) · Authentication (Supabase 1, Firebase 1) · Hosting (Amazon Web Services 2, Cloudflare 1)
Email clients & inbox tools we track
11 makers' products and 5 open-source projects. Makers' products first.
inbox-zeroOpen-source AI email assistant that triages, labels and drafts replies to help clear your inbox.+28
SlashyAI email client that triages the inbox and drafts replies in your voice, connected to calendar and CRM.
+10
UnInboxOpen-source email client for teams and professionals with a chat-style interface and built-in collaboration.
+7
AI EmailyYour AI inbox that writes like you + replies on autopilot
SkarbeAI email inbox for founders and others who do sales part-time; an assistant tracks conversations, follows up on leads, records calls and organizes deals.
ShortwaveIntelligent email, powered by AI — Smarter & faster email designed for stress-free productivity
Extra ThursdayFly through 1000s of emails in minutes with deep-context AI
YapifySpeak your emails
+6
+2
