Android software
Browse Android apps across the 16 Soft20 categories.
Jotdown
Jotdown is an offline document manager and PDF reader for organizing and annotating research documents.
Journal
Journal is an offline log for recording substance use and reviewing consumption patterns.
Journal Multilingual
Journal Multilingual is an Android app for recording substance use and consulting harm-reduction information.
Journalize
Journalize is a journaling app designed for quickly creating and revisiting entries.
Json List
Json List is an Android tool for viewing and editing JSON data.
Just (Video) Player
Just (Video) Player is an Android video player with broad support for media formats and streaming protocols.
Just 24 Hours
Just 24 Hours displays the current time in large 24-hour numerals that fill the available screen.
Just Delete Me
Just Delete Me is a mobile directory of account-deletion instructions for online services.
JustChess
JustChess is a chess game for one or two players.
Juvavum
Juvavum is a strategy game that includes the combinatorial board games Domino Juvavum and Cram.
K-19 Player
K-19 Player is a music player for listening to a personal library hosted on an OpenSubsonic server.
K-9 Mail
K-9 Mail is an open-source Android email client designed to work with a wide range of email providers.
KC3ICT Ham Study
KC3ICT Ham Study is an offline flashcard and practice-test app for amateur radio license exams.
KOReader
KOReader is an ebook reader designed especially for e-ink displays.
KUKSA Companion App
KUKSA Companion App demonstrates how an Android app can connect to a vehicle’s KUKSA Databroker, read vehicle data, and interact with actuators.
KabelWacht
KabelWacht is an Android client for managing and connecting to WireGuard tunnels.
Kachin for AnySoftKeyboard
Kachin for AnySoftKeyboard adds Kachin keyboard layouts and a dictionary to the AnySoftKeyboard app.
Kahon
Kahon is a manga-reading app variant with additional controls for browsing and managing extensions.
Kai 9000
Kai 9000 is an AI assistant that combines text and voice chat with generated interactive screens.
Kairos
Kairos is a task planner that orders work by priority and fits tasks into the available spaces in a day.
Kakugo
Kakugo helps learners practice Japanese writing systems and vocabulary through quizzes.
Kakuro
Kakuro is a number-logic puzzle that combines a crossword-like grid with sums.
Kanji Dojo
Kanji Dojo helps users learn and practice Japanese writing systems.
Kanji draw
Kanji draw lets Japanese learners write kanji on a touchscreen and identify the character they intended to enter.
Karabau
Karabau is an Android client for Karakeep that provides mobile access to a user’s bookmark collection.
Karma Firewall
Karma Firewall lets users block internet traffic to and from selected Android apps.
Karui ToDo
Karui ToDo is an offline task list and note app with a lightweight, highly customizable interface.
Kasette
Kasette is an offline music player for audio files stored on an Android device.
KashCal
KashCal brings calendars from different accounts and sources together in one Android calendar.
Katawa Shoujo: Re-Engineered
Katawa Shoujo: Re-Engineered is a remastered visual novel that presents its story through written dialogue, character art, and player choices.
Kazumi
Kazumi is an Android app for collecting and watching anime online using custom rules.
KeePassVault
KeePassVault is an Android client for creating and managing KeePass password databases.
Keep Alive
Keep Alive monitors whether the phone has been used and can alert selected contacts if the user does not respond to an inactivity check.
Keep Alive Lite
Keep Alive Lite monitors whether the phone has been used and can alert selected contacts if the user does not respond to an inactivity check.
Keep it up
Keep it up periodically checks the availability and reachability of network services.
KeepADB
KeepADB is an Android utility for keeping Wireless Debugging available and controlling it from the app, a Quick Settings tile, or a home-screen widget.
