github.com
Got Your Back is an open source project with code, documentation, and setup resources for email tools.
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grapedrop.com
Grapedrop is an online builder for creating responsive websites and landing pages. Pages can be published online immediately or exported and hosted elsewhere. It offers built-in blocks, drag-and-drop editing, styling controls and integrations for passing leads to email marketing or CRM tools. A free starter plan is listed alongside paid Basic and Premium plans.
gpg4win.org
Gpg4win is the GNU Privacy Guard for Windows, described as Free Software for file and email encryption. It supports both OpenPGP and S/MIME (X.509), and includes tools for signing and encrypting single files or complete folders directly from Windows Explorer and for signing and encrypting emails.
intelx.io
Intelligence X is a provider of free open source intelligence (OSINT) and forensic tools for investigations. Its toolset supports search across third-party sites, social media intelligence for Facebook, Twitter, LinkedIn, Telegram, and YouTube, and utilities for tasks including email validation, domain lookups, IP lookups, Bitcoin tracing, and image analysis. All listed OSINT and forensic tools are available to use at no cost.
intodns.ai
IntoDNS.AI is a DNS and mail server checker that reports on SPF, DKIM, DMARC, DNSSEC, MTA-STS, BIMI, FCrDNS and blacklists. It also offers a free public REST API for DNS and email security scans, with JSON and Markdown reports. The service states it is not affiliated with intodns.com.
ismalicious.com
isMalicious checks IPs, domains, URLs, emails, phones and crypto wallets against indexed threat indicators. It returns verdicts with contributing sources, categories and a risk score from 0 to 100 in a JSON response. Data is available through a REST API, STIX/TAXII feeds and an MCP integration for AI assistants. A free plan allows 50 lookups per month.
m15o.ichi.city
Key is a form page on Smol Pub for requesting a free Smol Pub key. Requests are processed manually, and the page states that a few days should be expected for the key to arrive at the email provided.
levity.ai
Levity is a platform for building and scaling AI automations for logistics workflows. It offers tools for analyzing email data, building automations, integrating with everyday tools, and scaling through visibility and human oversight. It is described as Communication Intelligence for the global supply chain.
lilyspeech.com
LilySpeech is a free Windows speech-to-text dictation application that uses Google Chrome's speech to text service. It supports 51 languages, lets users dictate emails, documents, web searches and other content anywhere on a Windows device via a click or Ctrl+D shortcut, and offers 99.5% recognition accuracy, custom word support and a lightweight design.
mastometrics.com
MastoMetrics is a free analytics tool for Mastodon accounts. It tracks follower growth over time and shows which posts are most engaging. It works with any number of accounts, requires no email, and asks for no write permissions; only public data is stored.
mataroa.blog
Mataroa is a blogging platform for minimalists. Posts are written in markdown, hosted at a .mataroa.blog address or a custom domain, and can be exported. The site states no ads, no tracking cookies and no email required for signup. A premium plan is listed at $9 per year.
github.com
Meru is an open source project with code, documentation, and setup resources for email tools.
azure.microsoft.com
Microsoft Azure for Students offers access to cloud services, developer tools and $100 in Azure credits for students to build apps and explore AI and data science. Signup uses a school email, renews yearly while the user is a student, and does not require a credit card.
github.com
Passive OSINT reconnaissance framework in Rust: subdomains, DNS, ASN, certificate transparency history, GitHub dorking, tech fingerprinting, emails an
owri.netlify.app
Wordy is a writing tool for drafting blog posts and private notes. Documents are stored locally, with optional account sync, and can be published as a link or public page. The tool supports adding images and galleries. The site states it is free, open source and without ads or subscriptions. Email newsletters, publishing from Notion and blog search are listed as coming soon.
pbnify.com
PBNify is a service that converts photos into custom paint-by-number designs. Users upload an image and preview a generated numbered design with a matching color guide. Free print-at-home files are emailed, including a printable canvas PDF and color guide. Complete paint kits with canvas and paints can be ordered, shipped from Columbus, Ohio. Supported formats include JPEG, PNG, GIF, WEBP, HEIC and AVIF, up to 20MB.
pypi.org
Python tool that identifies hashes, emails, IPs, URLs, and other strings found in text or files.
qrcode-monkey.com
QRCode Monkey is a free QR code generator for creating custom QR codes with logos, colors and design. It supports many content types, including URL, text, email, vCard, WiFi and social media links, and offers vector formats for print quality. Static QR codes are free; scan statistics and editability require a professional generator.
github.com
Qwacky is an open source project with code, documentation, and setup resources for email tools.
reddit.com
Reddit community for discussions, recommendations, and shared resources about Simplelogin.
readsom.com
Readsom hosts newsletters that are handpicked and filtered through topics so readers can explore and discover newsletters by interest. The site lists featured, top rated and recently added newsletters, with examples covering Web3, productivity, well-being and politics.
recovermy.video
RecoverMy.Video is a service that tracks defined YouTube and Dailymotion channel playlists so users are notified by email with the title when a video is deleted or set to private. Videos deleted or made private before registration may be searchable by videoId. The service requires read permissions and cannot modify channels.
t.me
Telegram link for email tools updates, bots, resources, or community discussion.
securitytrails.com
API to search current and historical DNS records, current and historical WHOIS, technologies used by sites and whois search for phone, email, address,