Tools: Interaction

Algolia Hosted Search
Hosted Search API that delivers instant and relevant results from the first keystroke
Disqus is a commenting and engagement system you can embed on your website.
Flatmarket is a free, open source e-commerce platform for static websites. Its simple architecture makes it extremely reliable, secure, and inexpen...
Form Keep
Form endpoints for designers and developers. No iframes, JavaScript embeds, or CSS overrides. (commercial)
Just send your form to our URL and we’ll forward it to your email. No PHP, Javascript or sign up required — perfect for static sites! Formspree is ...
Full Calendar
A drag-n-drop jQuery plugin for displaying events on a full-sized calendar.
Fuse.js Search
If you need a lightweight, fast way to search through a list of items, and allow mispellings, then Fuse.js is for you. Forget all server-side logic...
Google Custom Search Engine
With Google Custom Search, add a search box to your homepage to help people find what they need on your website.
Hook Forms
Spam-free web forms using your current HTML. No more captchas. Attack spam on the backend & see all submissions in one place.
Isso is a commenting server similar to Disqus
Jekyll Search with JSON
“With the Liquid templating language, used by Jekyll, I built a JSON encoded feed for posts and pages on the site which I wanted to show up in sear...
Tiny, invisible and simple, yet powerful and incredibly fast vanilla JavaScript that adds search, sort, filters and flexibility to plain HTML lists...
lunr.js is a simple full text search engine for your client side applications. It is designed to be small, yet full featured, enabling you to provi...
Remarkbox offers a comment system to keep readers engaged with your content.
Simple node app for Disqus-like drop-in commenting on static websites
Effortless shopping cart: Using simple HTML markup, turn any existing website into an extensive shopping cart platform. Snipcart allows payment pro...
Add great search to any website
Tipue Search is a site search engine jQuery plugin. It’s free, open source, responsive and fast.
The user management API - Fastest way to build user management with payments, email, and social.