diff --git a/README.md b/README.md
index 6dc7b4b..04bdcb3 100644
--- a/README.md
+++ b/README.md
@@ -27,11 +27,11 @@ If you prefer an email, contact me at `toolleeo@gmail.com`.
 
 # Summary
 
-To date, **766** apps/tools covered, divided in **43** categories.
+To date, **767** apps/tools covered, divided in **43** categories.
 
 # Index
 
-[Backup](#backup) (8) | [Calculators](#calc) (7) | [Chat and instant messaging](#chat) (10) | [Conversion](#conversion) (7) | [Data management](#data-management) (33) | [Data transfer](#transfer) (33) | [Directory changers](#cd) (13) | [Disk usage analyzers](#disk-analyzer) (9) | [Editors](#editors) (21) | [Email](#email) (10) | [File and file system handling](#file-handling) (39) | [File manager](#file-manager) (11) | [File renamers](#file-renamer) (8) | [File systems](#file-system) (3) | [Font management](#font) (2) | [Funny tools](#funny) (19) | [Games](#games) (35) | [Git and accessories](#git) (30) | [Graphics](#graphics) (24) | [Multimedia](#multimedia) (4) | [Networking](#networking) (20) | [Note taking](#note-taking) (15) | [Office tools](#office) (15) | [Organizers and calendars](#organizers) (14) | [Online search and resources](#online) (10) | [Password managers](#password-manager) (11) | [Productivity](#productivity) (29) | [Programming](#programming) (32) | [Science](#science) (8) | [Security and encryption](#security) (15) | [Shells](#shells) (6) | [Sound and music](#music) (24) | [System monitoring](#monitor) (26) | [System tools](#system) (28) | [Terminals](#terminal) (9) | [Text processing](#text-processing) (43) | [Text search](#text-search) (9) | [Todo managers](#todo-manager) (19) | [Utilities](#utility) (36) | [Versioning](#versioning) (6) | [Viewers](#viewers) (29) | [Web browser](#browser) (16) | [Web development](#webdev) (20)
+[Backup](#backup) (8) | [Calculators](#calc) (7) | [Chat and instant messaging](#chat) (10) | [Conversion](#conversion) (7) | [Data management](#data-management) (33) | [Data transfer](#transfer) (33) | [Directory changers](#cd) (13) | [Disk usage analyzers](#disk-analyzer) (9) | [Editors](#editors) (21) | [Email](#email) (10) | [File and file system handling](#file-handling) (39) | [File manager](#file-manager) (11) | [File renamers](#file-renamer) (8) | [File systems](#file-system) (3) | [Font management](#font) (2) | [Funny tools](#funny) (19) | [Games](#games) (35) | [Git and accessories](#git) (30) | [Graphics](#graphics) (24) | [Multimedia](#multimedia) (4) | [Networking](#networking) (20) | [Note taking](#note-taking) (15) | [Office tools](#office) (15) | [Organizers and calendars](#organizers) (14) | [Online search and resources](#online) (10) | [Password managers](#password-manager) (11) | [Productivity](#productivity) (29) | [Programming](#programming) (32) | [Science](#science) (8) | [Security and encryption](#security) (15) | [Shells](#shells) (6) | [Sound and music](#music) (24) | [System monitoring](#monitor) (26) | [System tools](#system) (28) | [Terminals](#terminal) (9) | [Text processing](#text-processing) (43) | [Text search](#text-search) (9) | [Todo managers](#todo-manager) (19) | [Utilities](#utility) (36) | [Versioning](#versioning) (6) | [Viewers](#viewers) (29) | [Web browser](#browser) (16) | [Web development](#webdev) (21)
 
 Some links to [related resources](#resources).
 
@@ -953,6 +953,7 @@ Static site generators, load test tools..
 * [Mycorrhiza Wiki](https://github.com/bouncepaw/mycorrhiza) - A lightweight file-system wiki engine that uses Git for keeping history.
 * [nanoc](https://github.com/nanoc/nanoc) - Static site generator written in Ruby; extremely powerful and customizable; support many formats to generate HTML content.  
 * [pageres-cli](https://github.com/sindresorhus/pageres-cli) - Capture screenshots of websites in various resolutions. A good way to make sure your websites are responsive.
+* [Reachable](https://github.com/italolelis/reachable) - Check if a domain is up.
 * [s3cmd](https://github.com/s3tools/s3cmd) - Command line tool for managing Amazon S3 and CloudFront services.
 * [siege](https://github.com/JoeDog/siege) - An http load testing and benchmarking utility designed to let web developers stress their code.  
 * [snallygaster](https://github.com/hannob/snallygaster) - Tool to scan for secret files on HTTP servers.
diff --git a/data/apps.csv b/data/apps.csv
index 2d42013..f630518 100644
--- a/data/apps.csv
+++ b/data/apps.csv
@@ -765,3 +765,4 @@ utility,movie,,https://github.com/mayankchd/movie,A CLI for getting information
 text-processing,diff2html-cli,,https://github.com/rtfpessoa/diff2html-cli,Parse git diffs as JSON and generate pretty HTML.
 webdev,HTTPie,,https://github.com/jkbrzt/httpie,HTTPie for Terminal: human-friendly CLI HTTP client for the API era.
 webdev,Discharge,,https://github.com/brandonweiss/discharge,Deploy static websites to Amazon S3.
+webdev,Reachable,,https://github.com/italolelis/reachable,Check if a domain is up.