دانلود سورس کد رایگان

Web Browser^

ProprietaryFree alternativeNotes

  • Chrome

  • Opera

  • Dolphin

  • Maxthon

  • UC Browser

  • Boat

Firefox

Firefox is a well known browser available for the desktop as well as Android.


  

Icecat

GNU version of Firefox, which gets rid of the non-free addons, plugins and the trademark license. It also adds privacy and security features.


 

Lightning Browser

A speedy, lightweight browser with modern navigation.

  • Price: Free (Pro version $1.50 on Google Play or free on F-Droid)
  • Min. Android version: varies
  • Source code

(free) (pro)  
Firefox uses Yahoo search by default. It also promotes add-ons which may use proprietary services. Have a look at these add-ons instead.

Social Networking^

ProprietaryFree alternativeNotes

  • Twitter

  • Facebook

  • Tumblr

  • Google+

  • Pinterest

Tinfoil for Facebook

Tinfoil for Facebook lets you use the mobile website without having the rest of your web browsing tracked. It requires far fewer permissions than the official app.


  

Twidere

Twidere is a feature-rich, ad-free Twitter client with material design and a tablet mode.


  

Tweet Lanes

Tweet Lanes is a user friendly Twitter and App.net client with lots of functions.


 

Impeller

Impeller is one of the first open source mobile clients for pump.io and can be used e.g. with identi.ca.


  

AndStatus

AndStatus is a very lightweight and low traffic Twitter, GNU social (formerly StatusNet), as well as pump.io client that derived from AndTweet.


  

Twidere might promote non-free add-ons.

Popular GNU Social instances include Quitter, LoadAverage or Vinilox.

Messenger^

ProprietaryFree alternativeNotes

  • WhatsApp

  • Viber

  • Facebook Messenger

  • ICQ

  • Kik

  • Yahoo Messenger

  • eBuddy

  • Threema

Conversations

Conversations is an XMPP client focused on ease of use and security. Supports end-to-end encryption using OTR or OpenPGP.

  • Price: $2.99 (Google Play), Free (F-Droid)
  • Min. Android version: 4.0
  • Source code

  

Xabber

Xabber is a famous XMPP client with OTR support.

  • Price: Free (supporter version: 3 €)
  • Min. Android version: 1.5
  • Source code

(free) (supporter)  

ChatSecure

ChatSecure is an XMPP client with OTR support developed by the Guardian Project.


  

Kontalk

Kontalk is an end-to-end encrypted messenger, based on Open Standards (XMPP and OpenPGP). It automatically encrypts all messages and media without any user intervention.


  

surespot

surespot is an end-to-end encrypted messenger that's supposed to be as easy as WhatsApp.
They provide their own infrastructure so no external account is needed.


  

Signal

Signal is an end-to-end encrypted messenger. They run their own server and the cryptography is similar to the proven OTR and done by specialists. Group chat is supported and you can send media files. VoIP is also supported. There is also an iOS version.


 

Telegram

Telegram is an encrypted messenger just like WhatsApp and supports end-to-end encryption when choosing the "secret chat" option. It also has all the other things you would want from a messenger like group chats and photo/video sharing.


  

Don't have a XMPP account yet? Have a look at the IM Observatory and register one at a server of your choice.

OTR stands for off-the-record, a form of end-to-end encryption. End-to-end encryption ensures that only the person with whom you're communicating can decrypt your message.

Be careful with trusting Telegram's encryption. They are also not end-to-end encrypted by default. All messages are stored on their servers except when using the "secret chat" option.

VoIP^

ProprietaryFree alternativeNotes

  • Skype

  • Viber

  • Google Hangouts

  • LINE

  • Fring

  • Talkatone

  • Tango

Signal

Uses end-to-end encryption and their own network. Very easy to use. Requires to sign up. There is also an iOS version. It is formerly known as a separate application called RedPhone.


 

CSipSimple

Easy to use SIP client that supports end-to-end encryption.


  

Linphone

Easy to use SIP client with video and end-to-end encryption support.


  
Signal uses special infrastructure, for all other apps you need a SIP account. Have a look on Wikipedia to find a SIP-provider. Ostel is a free and easy to use SIP service run by the Guardian Project.

Multimedia^

ProprietaryFree alternativeNotes

  • Google Play Music

  • Winamp

  • Poweramp

  • Podkicker

  • iPP Podcast Player

  • BeyondPod

  • Pocket Casts

VLC

VLC is a well known media player. It's also one of the few players that already play the new opusaudio format.


  

Vanilla Music

Vanilla Music is a simple but yet sufficient player for mp3, ogg, flac and pcm files. It also supports tags and folders. It's the current fork of the abandoned original Vanilla Player.


  

Jams Music Player

Jams Music Player is an elegant and powerful music player. It used to be a paid, proprietary app but the developer decided to open-source it. This is the free compiled GitHub version.


 

Voice

Voice manages and plays backs your audiobooks.


  

NewPipe

NewPipe is a lightweight YouTube viewer. You can also download videos and watch them when offline.


 

AntennaPod

Podcast player for downloading and streaming audio and video podcasts.


  

Email^

ProprietaryFree alternativeNotes

  • Gmail

  • Aqua Mail

  • MailDroid

K-9 Mail

K-9 Mail is a feature-rich client that supports POP3, IMAP, Exchange 2003/2007 (with WebDAV) and PGP-encryption.


  
We are still missing some good alternatives here. Know any? Write an email or fork the project on GitHub and add your favourite FOSS email client via pull-request.

Calendar^

ProprietaryFree alternativeNotes

  • Google Calendar

  • S Planner / Calendar

Etar

Etar is material designed calendar based on the ASOP calendar.


  

Offline Calendar

Lets you add offline calendars to the Calendar app, which are not synchronized and are accessible only on the device itself. Create the calendar in this app and it will then be available in the Calendar app.


  

Standalone Calendar

Fork of the original calendar from AOSP (Android Open Source Project), built from the Android 4.3 source tree. Not updated since 2013.


  

Notes^

ProprietaryFree alternativeNotes

  • Evernote

  • Google Keep

  • Colornote

Writeily Pro

Simple and efficient notepad featuring markdown support, folders, and a PIN lock.


  

Tomdroid

A port of the popular desktop application Tomboy.


  

OI Notepad

OI notepad is a simple and lightweight notepad app.


  

NoteCipher

NoteCipher encrypts your notes.


  

NoNonsense Notes

Notepad and TODO app with sync support.


  

News Reader^

ProprietaryFree alternativeNotes

  • Flipboard

  • Google Currents

Nextcloud News Reader

ownCloud News Reader connects to your Nextcloud / ownCloud instance and downloads the RSS-feeds.

  • Price: 2.39 € (Google Play), Free (F-Droid)
  • Min. Android version: 4.2
  • Source code

  

spaRSS

spaRSS is a light RSS/ATOM-reader that doesn't synchronize with an online feed reader (unlike ownCloud News Reader). It's based on Flym.


  

TTRSS-Reader

An offline reader that works with the Tiny Tiny RSS web-based feed reader/aggregator.


  

RedReader

RedReader is a news reader for the popular website reddit. It comes with multiple languages and tablet mode.


  

File Manager^

ProprietaryFree alternativeNotes

  • Solid Explorer

  • ES Datei Explorer

  • Astro File Manager

Amaze File Manager

Material designed with an app manager and many colorful skins. Compress and extract files, save bookmarks, and view history.


  

Ghost Commander

A feature rich file manager with dual panel navigation, compressed file support, plugins for samba, ftp and sftp and lots more.


  

OI File Manager

OI File Manager is a file manager with everything you would expect and need.


  

Navigation^

ProprietaryFree alternativeNotes

  • Google Maps

  • Navigon

  • TomTom

CityZen

CityZen is a companion app to navigate the city based on OpenStreetMap.


 

MAPS.ME

MAPS.ME is an offline navigation and map viewer based on OpenStreetMap.


  

OsmAnd

OsmAnd uses OpenStreetMap data, offline navigation is possible.

  • Price: Free for 10 regions (unlimited regions: 5.99 €)
  • Min. Android version: 2.3
  • Source code

(free) (pro)  

Transportr

Transportr is a public transit router for select cities and regions.


  
You can help improve the quality of OpenStreetMap by registering an account and mapping your community.

It is possible to directly download maps for OsmAnd and MAPS.ME.

Keyboard^

ProprietaryFree alternativeNotes

  • SlideIT

  • Swype

  • SwiftKey

  • Go

Hacker's Keyboard

Hacker's Keyboard supports many languages and an autocomplete feature. It's also great for Tab/Ctrl/Esc keys, a number bar and arrow keys, in case you are missing a hardware button.


  

AnySoftKeyboard

AnySoftKeyboard offers multiple languages with autocomplete support, swipe gestures, multitouch and much more.


  
We are still missing some good alternatives here. Know any? Write an email or fork the project on GitHub and add your favourite FOSS keyboard app via pull-request.

Cloud^

ProprietaryFree alternativeNotes

  • Dropbox

  • Google Drive

  • OneDrive

  • Mega

Nextcloud

Connects to an Nextcloud instance.


  

ownCloud

Connects to an ownCloud instance.

  • Price: 0.79 € (Google Play), Free (F-Droid)
  • Min. Android version: 4.0
  • Source code

  

DAVx⁵

Synchronization solution for both contacts (CardDAV) and calendars (CalDAV). Requires a hosting server. Previously known as DAVdroid.

  • Price: 3.33€ (Google Play), Free (F-Droid)
  • Min. Android version: 4.4
  • Source code

  
We are still missing some good alternatives here. Know any? Write an email or fork the project on GitHub and add your favourite FOSS cloud app via pull-request.

Office^

ProprietaryFree alternativeNotes

  • WPS Office

  • MS Office Mobile

LibreOffice Viewer

View many Open Document and Microsoft Office file formats.


  

MuPDF

A lightweight PDF reader.


  

Document Viewer

Supports PDF, DjVu and other formats.


  

FBReader

FBReader supports the most common e-book formats as well as a couple of e-book stores. Expandable with add-ons. Does not read PDF files yet.


  

CoolReader

CoolReader is a powerful ebook app. It supports lots of formats and Asian languages.


  

FBReader add-ons might not be open source or use trustworthy services.

Security^

ProprietaryFree alternativeNotes

  • Google Authenticator

  • LastPass

  • Avast Anti-Theft

  • Cisco AnyConnect

  • OpenVPN Connect

  • Private Internet Access

FreeOTP

FreeOTP is a two factor a.k.a two-step authentication client that helps increase the security of your online accounts.


  

KeePassDroid

KeePassDroid is a password manager that stores your passwords in an encrypted database which can be unlocked with a master passphrase. Passwords can then easily be entered into webpages or applications by copying them to the clipboard. The desktop counterpart is KeePass.


  

Wi-Fi Privacy Police

Wi-Fi Privacy Police prevents your device from leaking private information through everyday use of Wi-Fi. This information could be used to track your movements, identify your home or workplace, and force your device to connect to a malicious Wi-Fi network. More information here (PDF).


  

Prey

Prey tracks your stolen phone/tablet and gives you full control over it like camera, GPS, SMS, email etc


 

OpenConnect

SSL VPN client compatible with traditional Cisco AnyConnect gateways and with ocserv.


  

OpenVPN for Android

Connects to any OpenVPN gateway that uses tun mode. No root required.


  

AFWall+

Firewall (iptables frontend), based on DroidWall.

Requires root.


  

orWall

Force selected applications through Orbot while preventing unchecked applications to have network access.

Requires root. Conflict: all other firewall application such as AFWall, DroidWall, etc


Do your web services support two factor authentication? Search here for a green checkmark under the software implementation column.

Create a strong master passphrase using the Diceware method.

Misc^

ProprietaryFree alternativeNotes
  • Flashlights
  • Barcode Scanner
  • System Tools
  • Geocaching
  • Google Translate
  • Flappy Bird

Minimal Open Source Flashlight

Minimalistic approach to a flashlight: just one switch in the middle of the screen.


  

Barcode Scanner

Scans barcodes and QR-codes


  

c:geo

Geocaching client for geocaching.com. With OpenStreetMap and offline support.


  

Mitzuli

Offline/online translator for a variety of languages. Supports text, voice, and image input.


  

Flappy Cow

A clone of the famous Flappy Bird game that has been taken down in February 2014.


 

QuickLyric

Get lyrics for the music you're currently listening to or search for specific songs.


  

PassAndroid

Displays Passbook (*.pkpass) files & shows the Barcode (QR, PDF417 and AZTEC format). It can be used also when offline.


  

Syncthing

Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored, if it is shared with some third party and how it's transmitted over the Internet.


  

Any other interesting apps that people would use everyday? Write me an email or fork the project on GitHub and add your favourite FOSS app via pull-request.

Flappy Cow shows advertisements.

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