Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.
☆10,181Oct 16, 2026Updated this week
Alternatives and similar repositories for check-if-email-exists
Users that are interested in check-if-email-exists are comparing it to the libraries listed below. We may earn a commission when you buy through links labeled 'Ad' on this page.
Sorting:
- High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.☆23,817Updated this week
- A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.☆59,590Updated this week
- The open alternative to Salesforce, designed for AI.☆58,420Updated this week
- Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuz…☆26,993Updated this week
- Umami is a privacy-first analytics platform. Traffic, campaigns, behavior, conversions, and revenue in one place — no cookies, no surveil…☆39,436Updated this week
- Deploy to Railway using AI coding agents - Free Credits Offer • AdUse Claude Code, Codex, OpenCode, and more. Autonomous software development now has the infrastructure to match with Railway.
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆63,084Updated this week
- Infisical is the open-source platform for securing secrets, certificates, access, and AI Agents.☆29,824Updated this week
- BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees.…☆15,919Jun 11, 2026Updated 4 months ago
- Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬☆37,890Updated this week
- Scheduling infrastructure for absolutely everyone.☆49,103Sep 26, 2026Updated 3 weeks ago
- Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.☆29,494Updated this week
- Open source alternative to Resend, Sendgrid, Postmark etc.☆4,737Updated this week
- Open Source realtime backend in 1 file☆61,456Updated this week
- PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, f…☆40,321Updated this week
- AI Agents on DigitalOcean Gradient AI Platform • AdBuild production-ready AI agents using customizable tools or access multiple LLMs through a single endpoint. Create custom knowledge bases or connect external data.
- 🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative☆65,291Updated this week
- 🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints,…☆60,992Updated this week
- 🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.☆21,363Updated this week
- ⚠️ Browser fingerprinting via favicon!☆7,383Nov 18, 2025Updated 11 months ago
- Open Source Alternative to Vercel, Netlify and Heroku.☆37,841Updated this week
- All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).☆15,135Updated this week
- Lightpanda: the headless browser designed for AI and automation☆36,627Updated this week
- Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestrat…☆10,690Updated this week
- Comfortably monitor your network traffic 🕵 ️♂️☆41,588Updated this week
- Wordpress hosting with auto-scaling - Free Trial Offer • AdFully Managed hosting for WordPress and WooCommerce businesses that need reliable, auto-scalable performance. Cloudways SafeUpdates now available.
- 📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail☆16,871Oct 6, 2026Updated last week
- Open source DocuSign alternative. Create, fill, and sign digital documents ✍️☆18,744Updated this week
- Build smaller, faster, and more secure desktop and mobile applications with a web frontend.☆111,963Updated this week
- Open source Loom alternative. Beautiful, shareable screen recordings.☆23,382Updated this week
- SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in…☆32,373Updated this week
- Polar — A billing platform for the intelligence era☆10,366Updated this week
- The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.☆40,933Updated this week
- Send push notifications to your phone or desktop using PUT/POST☆34,879Updated this week
- Trigger.dev – build and deploy durable AI agents and workflows☆16,562Updated this week
- Deploy to Railway using AI coding agents - Free Credits Offer • AdUse Claude Code, Codex, OpenCode, and more. Autonomous software development now has the infrastructure to match with Railway.
- ⬆️ GitHub Actions uptime monitor & status page by @AnandChowdhary☆17,183Updated this week
- Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observabili…☆22,406Updated this week
- Invoicing, Time tracking, File reconciliation, Storage, Financial Overview & your own Assistant made for Freelancers☆15,078Jun 13, 2026Updated 4 months ago
- Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative t…☆80,636Updated this week
- A self hosted virtual browser that runs in docker and uses WebRTC.☆22,510Updated this week
- Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.☆23,213Aug 31, 2026Updated last month
- An HTTP toolkit for security research.☆12,513Jul 21, 2026Updated 2 months ago