Merge pull request #425 from HughParry/master

Add Procaptcha and remove unmaintained react-mapbox-gl

README.md

@@ -325,7 +325,6 @@ _Ways to navigate views_
 - [react-geosuggest](https://github.com/ubilabs/react-geosuggest) - A React autosuggest for the Google Maps Places API.
 - [react-leaflet](https://github.com/PaulLeCam/react-leaflet) - React components for Leaflet maps.
 - [react-map-gl](https://github.com/uber/react-map-gl) - A React wrapper for MapboxGL-js and overlay API.
-- [react-mapbox-gl](https://github.com/alex3165/react-mapbox-gl) - A React binding of mapbox-gl-js.
 - [react-svg-map](https://github.com/VictorCazanave/react-svg-map) - [demo](https://victorcazanave.github.io/react-svg-map/) - A set of components to display an interactive SVG map.
 
 ### Time / Date / Age
@@ -390,6 +389,7 @@ _Sketch input using Canvas or SVG_
 ### Miscellaneous
 
 - [puck](https://github.com/measuredco/puck) - [demo](https://puck-editor-demo.vercel.app/edit) - The self-hosted visual editor for React
+- [procaptcha](https://github.com/prosopo/captcha) - [demo](https://prosopo.io/) - [docs](https://docs.prosopo.io/) - Privacy focused free CAPTCHA
 - [react-advanced-news-ticker](https://github.com/ahmetcanaydemir/react-advanced-news-ticker) - [demo](https://www.ahmetcanaydemir.com/react-advanced-news-ticker/) - A flexible and animated vertical news ticker component
 - [react-avatar-generator](https://github.com/JosephSmith127/react-avatar-generator) - Allows users to create random kaleidoscopes to be used as avatars.
 - [react-awesome-query-builder](https://github.com/ukrbublik/react-awesome-query-builder) - [demo](https://ukrbublik.github.io/react-awesome-query-builder/) - Visual query builder from form fields, with SQL, MongoDB and JSON export