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Personal and institutional data online has become more valuable than ever in this digital era, but we don’t always take enough care of it. A cyberattack, a malfunctioning machine or software, a wrong option in the keyboard, or any other incident out of our control could erase years of memories and hard work. That’s why data recovery and backup programs were designed, and there are open-source versions you can use for free —either to back up your files or recover them after deletion.
Typically, deleted files are not immediately erased from the storage device but are marked as available space for new data. To recover deleted files, it's essential to act swiftly, avoiding further data writes to the affected storage medium to prevent overwriting the deleted data. Specialized data recovery software can scan the storage device, identify recoverable files based on file signatures, and facilitate their retrieval.
If you find them useful, you can consider donating to their team via
This is a potent Python application that offers a user-friendly solution for retrieving lost or overwritten files on Linux systems. Developed with a focus on simplicity and effectiveness, it stands out for its ability to scan entire partitions thoroughly, even identifying strings within binary files.
Unlike other recovery utilities, it provides an intuitive terminal user interface (TUI) for streamlined operation. Released to address the complexities often associated with file recovery,
RecoverPy was released by Pablo Lecolinet in 2021, and everyone is welcome to contribute via GitHub as a developer or just by sharing the software with others. You can also donate some coins to the project via Kivach, where it appears as
They’re complementary data recovery tools developed by Christophe Grenier and encompassed within the project CGSecurity, started by Grenier in 1998. TestDisk specializes in repairing partition tables, recovering deleted partitions, and fixing file system issues caused by various factors such as viruses or human error. Its features include support for a wide range of file systems, including FAT, NTFS, ext2/3/4, and more, making it a versatile solution for both novice and expert users seeking to recover lost data.
Meanwhile,
With support for numerous file formats and a broad range of operating systems, including Windows, Linux, SunOS, and others, PhotoRec and TestDisk provide a versatile and reliable solution for users in need of file recovery. It’s worth mentioning that Grenier is still the main developer, and this is a self-funding project. He accepts donations via PayPal, but
Originally developed by Kenneth Skovhede in 2008, Duplicati is an open-source backup client with a secure solution for storing encrypted, incremental, and compressed backups on various cloud storage services and remote file servers. Released under the MIT license, Duplicati is available for Windows, macOS, and Linux platforms, catering to a wide range of users. Its extensive list of supported cloud storage services includes Amazon S3, Google Drive, Dropbox, and more, ensuring flexibility and accessibility for users seeking reliable backup solutions.
With features such as AES-256 encryption, incremental backups, and automated scheduling, Duplicati offers robust data protection and management capabilities. Its user-friendly interface and command-line tool provide users with versatile options for managing backups according to their preferences and requirements. Additionally, Duplicati's ability to handle locked files using Volume Snapshot Service (VSS) under Windows or Logical Volume Manager (LVM) under Linux ensures comprehensive backup coverage for critical data.
Its development history spans over a decade, with subsequent versions introducing significant improvements and enhancements. The ongoing development of Duplicati 2 focuses on a complete rewrite, incorporating a new storage engine for efficient, continuous backups and a web-based interface for seamless installation on headless systems. Its team accepts donations via OpenCollective, and they appear on Kivach as
BackupPC is a cross-platform disk-to-disk backup software suite with a user-friendly web-based frontend. Developed by Craig Barratt in 2001 and released under the GNU General Public License, it offers enterprise-grade backup capabilities for Linux, WinXX, and MacOS PCs and laptops to a server's disk. It supports various protocols such as SMB, rsync, and tar over ssh/rsh/nfs, providing flexibility and ease of use for backup administrators.
One of BackupPC's
Currently, the program is in continuous development and has active community support that ensures reliability, performance, and compatibility with a wide range of systems. The project is self-funding, though, so you can consider donating
Borg (previously Attic), released in 2015 by The Borg Collective, is a deduplicating backup program. This means that it eliminates redundant data by storing only unique instances of identical content, thus reducing storage space requirements. Its primary goal is to provide space-efficient storage while ensuring data integrity through authenticated encryption.
One of its
The software is easy to use across multiple platforms, including Linux, macOS, and BSD. It offers single-file binaries that require no installation, allowing for straightforward setup and execution. Contributions and support, including monetary assistance, are welcome to further enhance and maintain the project's development. They accept funds via PayPal, Liberapay, OpenCollective, and GitHub Sponsors. Of course, a more practical alternative to donate cryptocurrencies is Kivach, where they appear as
First of all, even if the recipients don’t need to know from the very beginning about the donation, they’ll definitely need to know about it if they want to claim it. So, it’s important to tell them about it. To claim the tokens sent via Kivach, the recipients will have to install an
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