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About the developer

167 Stars 20 Forks GNU General Public License v2.0 34 Commits 17 Opened issues


Host trango and communicate with those around you without the internet!

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Trango self-hosted is a calling and file sharing solution that works over LAN (local area networks). It does not need to involve the internet for calling or file sharing. Ideal for offices, hotels, houses, restaurants, and any space where people use the same Public IP address or the same WiFi network. The package comes with a discovery server and a web app which can be deployed on the local machine and can be accessed from anywhere in the network.
Trango Web can be visited at . Please note that Trango is in beta.
Note: Opensource selfhosted version is now compatible with Mobile and Desktop Apps.

The Following are the main features. - One to One and Group Audio/Video Calling (Upto 4 persons). - File Transferring. - Ability to change auto-generated ID's. - No Internet Involved. - Encrypted and Secure. - HD Calling quality.


The package can be deployed on a Linux machine also to provide more robust support a docker image is available on the docker hub.

Linux Deployment

Debian Prerequisites

  • sudo apt update && sudo apt install -y libboost-all-dev libssl-dev g++ nginx python3.6 python3-pip curl

  • curl -sL -o && bash && apt install -y nodejs

  • pip3 install flask_restful flask_cors psutil
    #### RHEL Prerequisites
  • sudo yum -y update && sudo yum install -y boost boost-devel boost-system boost-filesystem boost-thread openssl-devel gcc-c++ nginx python3.6 python3-pip curl

  • curl -sL -o && bash && yum install -y nodejs

  • pip3 install flask_restful flask_cors psutil
    #### Deployment The Following are the steps for deployment.
  • Clone or download this repo into your system.
  • On Terminal run the following commands.
    • cd /path/to/this/repo/folder/
    • cd app/
    • npm i && npm run build
    • python3 &
    • cd ..
    • sudo cp nginx-selfsigned.crt /etc/ssl/certs/
    • sudo cp nginx-selfsigned.key /etc/ssl/private/
    • sudo cp dhparam.pem /etc/ssl/certs/
    • sudo cp ssl.conf /etc/nginx/conf.d/
    • Edit ssl.conf file and change root /home/app/ to root /path/to/build/folder/in/app/folder.
    • sudo cp default /etc/nginx/sites-available/
    • sudo service nginx restart
    • sudo cd discoveryserver/src/
    • g++ main.cpp WebSocketMainWS.cpp WebSocketWS.cpp -I ../lib/SimpleWebSocketServer/ -lboost_system -lssl -lcrypto -lpthread -o WebSocketWS
    • ./WebSocketWS &

Docker Deployment (Windows/Linux).

Install docker on your machine and follow the following steps. - Download the Trango Self-Hosted version docker image by executing the below command. -

sudo docker pull tak786/trango-self-hosted
- Run the Self-Hosted version by executing the following command. -
sudo docker container run -d -p 80:80 -p 443:443 --name trango tak786/trango-self-hosted
- Test it by accessing the IP address of the machine running Self-Hosted version on your browser.


Contributions are what make the open-source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (
    git checkout -b feature/AmazingFeature
  3. Commit your changes (
    git commit -m 'Add some AmazingFeature'
  4. Push to the Branch (
    git push origin feature/AmazingFeature
  5. Open a Pull Request


Distributed under the GPL-2.0 License. See

for more information.


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