Locker is now offering open source on GitHub. Click here

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As part of this process, we made the source code of the Maily component public in March 2023, which is the core of Locker Private Email and is available on GitHub. We aim to improve the quality of our products while bringing more benefits to our users as well as fellow developers and researchers.

Why does Locker open-source its code?

Enhancing security, quality, and development

Users and experts can now review and evaluate Locker’s code, leading to the identification and resolution of bugs and security vulnerabilities, ultimately improving the app’s overall quality.

It also facilitates exploring feasible feature ideas: anyone is able to quickly check if what they propose can be effectively implemented in Locker.

Our team will carefully review any suggestions and incorporate needed changes. This fosters faster development, making Locker more complete and valuable for users.

We understand that making Locker open-source may draw increased scrutiny to the app. However, our top priority is building a robust and secure product that truly meets users’ requirements. That’s why we still choose to take this approach.

Improving transparency and building trust

By sharing the source code, we aim to demonstrate our commitment to using dependable technology. We are confident in the app’s security and reliability and are willing to prove it to our users.

It also signifies our dedication to working alongside our users to develop an app that meets their needs, through the incorporation of community feedback.

Fostering innovation and collaboration

Open-sourcing Locker not only benefits our users but also the developer and researcher community as a whole. By enabling other developers to study our code and apply it in their own projects in accordance with the GPLv3 open-source license, we seek to contribute to the growth of the community and help advance the field of secure information management.

While some may see this as raising competition for our own product, we view it as a challenge to constantly improve and innovate. We believe that a rising tide lifts all boats and that by working together to create better security solutions, we can help to make the internet a safer place for everyone.

What should users, developers, and researchers do when Locker becomes open source?

Review Locker’s source code

We encourage Locker users as well as fellow developers and researchers to take advantage of the app’s open-source status and review its code. This is a unique opportunity for you to gain insight into how the app works and to ensure that it is truly secure and reliable.

Whether you are an experienced developer or just have a keen eye for detail, your contributions to the community can help to identify any bugs or vulnerabilities in the app, eventually making it stronger and more trustworthy.

Report bugs, submit code changes, and initiate new feature ideas

During the review, evaluation, and use of Locker Open Source, if you detect any signs of bugs, please create a New Issue at GitHub or report vulnerabilities to WhiteHub so that the Locker team can quickly verify and resolve them. We take all reports seriously and work diligently to fix any issues as quickly as possible.

We also invite you to actively participate in product development by submitting your own code changes.

Moreover, you can initiate new ideas for features and examine the code to check if they are feasible to implement in Locker or to propose the most efficient way to implement them.

This collaborative effort will make Locker an even more valuable tool for managing and protecting your sensitive information.

Utilize Locker’s source code and share your innovations

We welcome other developers to use parts of Locker’s source code to study or apply to their own projects.

However, we kindly request that developers share with us and the community what they’ve created with our source code. We are always excited to see the innovative solutions that are inspired by ours and to contribute to the advancement of security products.

For more terms and conditions of using open-source code based on the GPLv3 license, please refer to this link.

Closing thoughts

As we open-source Locker Password Manager, we want to express our gratitude to our users, developers, and researchers who have supported us along the way. We believe that this move will make Locker even better, and we look forward to collaborating with the community to enhance its features and functionalities.

We value your feedback, so please do not hesitate to reach out to us with your thoughts and ideas. Thank you for choosing Locker, and we hope that you will continue to trust us to keep your personal and business data safe and secure.

If you haven’t used Locker yet, sign up for a free account today at