diff --git a/README.md b/README.md
index ee507f4..87f847f 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, **730** apps/tools covered, divided in **43** categories.
+To date, **731** apps/tools covered, divided in **43** categories.
 
 # Index
 
-[Backup](#backup) (8) | [Calculators](#calc) (6) | [Chat and instant messaging](#chat) (10) | [Conversion](#conversion) (7) | [Data management](#data-management) (31) | [Data transfer](#transfer) (33) | [Directory changers](#cd) (8) | [Disk usage analyzers](#disk-analyzer) (8) | [Editors](#editors) (21) | [Email](#email) (10) | [File and file system handling](#file-handling) (35) | [File manager](#file-manager) (11) | [File renamers](#file-renamer) (7) | [File systems](#file-system) (3) | [Font management](#font) (2) | [Funny tools](#funny) (18) | [Games](#games) (35) | [Git and accessories](#git) (26) | [Graphics](#graphics) (22) | [Multimedia](#multimedia) (3) | [Networking](#networking) (20) | [Note taking](#note-taking) (15) | [Office tools](#office) (15) | [Organizers and calendars](#organizers) (14) | [Online search and resources](#online) (8) | [Password managers](#password-manager) (11) | [Productivity](#productivity) (28) | [Programming](#programming) (30) | [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) (42) | [Text search](#text-search) (9) | [Todo managers](#todo-manager) (19) | [Utilities](#utility) (32) | [Versioning](#versioning) (6) | [Viewers](#viewers) (27) | [Web browser](#browser) (16) | [Web development](#webdev) (18)
+[Backup](#backup) (8) | [Calculators](#calc) (6) | [Chat and instant messaging](#chat) (10) | [Conversion](#conversion) (7) | [Data management](#data-management) (31) | [Data transfer](#transfer) (33) | [Directory changers](#cd) (8) | [Disk usage analyzers](#disk-analyzer) (8) | [Editors](#editors) (21) | [Email](#email) (10) | [File and file system handling](#file-handling) (35) | [File manager](#file-manager) (11) | [File renamers](#file-renamer) (7) | [File systems](#file-system) (3) | [Font management](#font) (2) | [Funny tools](#funny) (18) | [Games](#games) (35) | [Git and accessories](#git) (26) | [Graphics](#graphics) (22) | [Multimedia](#multimedia) (3) | [Networking](#networking) (20) | [Note taking](#note-taking) (15) | [Office tools](#office) (15) | [Organizers and calendars](#organizers) (14) | [Online search and resources](#online) (8) | [Password managers](#password-manager) (11) | [Productivity](#productivity) (28) | [Programming](#programming) (31) | [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) (42) | [Text search](#text-search) (9) | [Todo managers](#todo-manager) (19) | [Utilities](#utility) (32) | [Versioning](#versioning) (6) | [Viewers](#viewers) (27) | [Web browser](#browser) (16) | [Web development](#webdev) (18)
 
 Some links to [related resources](#resources).
 
@@ -569,6 +569,7 @@ Calendar managers.
 * [gdb-dashboard](https://github.com/cyrus-and/gdb-dashboard) - Modular visual interface for GDB in Python.
 * [grex](https://github.com/pemistahl/grex) - A command-line tool for generating regular expressions from user-provided test cases.
 * [hors](https://github.com/WindSoilder/hors) - Instant coding answers via the command line.
+* [howdoi](https://github.com/gleitz/howdoi) - Instant coding answers via the command line.
 * [kickstart](https://github.com/Keats/kickstart) - Scaffolding tool to get new projects up and running quickly.
 * [Kool](https://github.com/kool-dev/kool) - CLI tool that brings the complexities of modern software development making these environments lightweight, fast and reproducible.
 * [legit](https://github.com/captainsafia/legit) - Automagically generates a LICENSE file for the current working directory that you are in or a license header for a file where applicable.
diff --git a/data/apps.csv b/data/apps.csv
index 540d986..92468a0 100644
--- a/data/apps.csv
+++ b/data/apps.csv
@@ -729,3 +729,4 @@ text-processing,DocToc,,https://github.com/thlorenz/doctoc,Generates table of co
 networking,xiringuito,,https://github.com/ivanilves/xiringuito,VPN made easy! No configuration. No VPN servers. No hassle. Using SSH capabilities.
 security,acmetool,,https://github.com/hlandau/acme,Easy-to-use command line tool for automatically acquiring certificates from ACME servers (such as Let's Encrypt).
 utility,weather-cli,,https://github.com/riyadhalnur/weather-cli,Check the weather for your city from the terminal.
+programming,howdoi,,https://github.com/gleitz/howdoi,Instant coding answers via the command line.