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Total: 57,327 Users, 80,157 Release Files
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In cooperation with organizations who are in support of open source software development and its use, OSDN provide a download environment of global scale covering all continents and a file-release environment for flexible upload.
For OSS Development
OSDN offer open source projects a full service lineup that includes source code repositories such as Git/Subversion/Mercurial/Bazaar, web-site hosting features, ticket system, web forums, mailing lists, together with a well-integrated and easy-to-use environment for web-based project management.

Download Ranking

MinGW - Minimalist GNU for Windows
MinGW: A native Windows port of the GNU Compiler Collection (GCC), with freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All of MinGW's software will execute on the 64bit Windows platforms.
FFFTP
FFFTP is lightweight FTP client software. FFFTP has many useful feature such as directory mirroring, character encdoging conversion, Firewall and SOCK, one-time password support, and so on.
CrystalDiskInfo
CrystalDiskInfo is a HDD/SSD utility software which supports S.M.A.R.T and a part of USB-HDD. Important Notice Both CrystalDiskInfo and CrystalDiskMark are open source software personally developed by me. Any software development demands huge amount of time and effort, and on top of that, new hardware devices are released one after another which becomes a necessity to purchase in order to support them. Therefore, this project needs more development funds. As to current status, this project is extremely short of funds and is in desperate need of your donations. If you want to contribute to supporting the continuance of this project, please make donations by Paypal . Please make the amount of each contribution $10 USD or more (in JPYen, 1000Yen or more) if possible. Your contributions will be deeply appreciated.
TortoiseSVN
TortoiseSVN is a Subversion (SVN) client, implemented as a windows shell extension. Which means it's available right where you need it: in the Windows file explorer. It's intuitive and easy to use, since it doesn't require the Subversion command line client to run. Simply the coolest Interface to (Sub)Version Control!
Manjaro Linux
Manjaro is a user-friendly Linux distribution based on the independently developed Arch operating system. Within the Linux community, Arch itself is renowned for being an exceptionally fast, powerful, and lightweight distribution that provides access to the very latest cutting edge - and bleeding edge - software. However, Arch is also aimed at more experienced or technically-minded users. As such, it is generally considered to be beyond the reach of those who lack the technical expertise (or persistence) required to use it. Developed in Austria, France, and Germany, Manjaro provides all the benefits of the Arch operating system combined with a focus on user-friendliness and accessibility. Available in both 32 and 64 bit versions, Manjaro is suitable for newcomers as well as experienced Linux users. For newcomers, a user-friendly installer is provided, and the system itself is designed to work fully 'straight out of the box'.

Active Projects

MinGW - Minimalist GNU for Windows
MinGW: A native Windows port of the GNU Compiler Collection (GCC), with freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All of MinGW's software will execute on the 64bit Windows platforms.
FFFTP
FFFTP is lightweight FTP client software. FFFTP has many useful feature such as directory mirroring, character encdoging conversion, Firewall and SOCK, one-time password support, and so on.
CrystalDiskInfo
CrystalDiskInfo is a HDD/SSD utility software which supports S.M.A.R.T and a part of USB-HDD. Important Notice Both CrystalDiskInfo and CrystalDiskMark are open source software personally developed by me. Any software development demands huge amount of time and effort, and on top of that, new hardware devices are released one after another which becomes a necessity to purchase in order to support them. Therefore, this project needs more development funds. As to current status, this project is extremely short of funds and is in desperate need of your donations. If you want to contribute to supporting the continuance of this project, please make donations by Paypal . Please make the amount of each contribution $10 USD or more (in JPYen, 1000Yen or more) if possible. Your contributions will be deeply appreciated.
TortoiseSVN
TortoiseSVN is a Subversion (SVN) client, implemented as a windows shell extension. Which means it's available right where you need it: in the Windows file explorer. It's intuitive and easy to use, since it doesn't require the Subversion command line client to run. Simply the coolest Interface to (Sub)Version Control!
Tera Term
Tera Term is Tera Term Pro 2.3 succession version and is being officially recognized by the original author. Tera Term is open source free software terminal emulator supporting UTF-8 protocol. Now TTSSH supports SSH2 protocol (Original version supports SSH1).

New Releases

pgdbmsstats - 1.3.11
2018-09-26 05:49: Bug fix release of pg_dbms_stats. pg_dbms_stats 1.3.10 and earlier has a bug that can crash server when accessing saved statistics for function indexes are referred while planning a query including non-baserel RTEs such as joins. It is fixed in this version.
project-trident-bsd - BETA 3
2018-09-25 18:01: This is only unofficial mirror of ISO files from project-trident.org
AngelReader - tagalognt-release 1.3
2018-09-25 05:34: 09-26-2018 This is the AngelReader tagalognt-release 1.3 for the Windows OS platform. We added three more dropdown menus -- making a total of four -- to accomodate the 27 titles of the Tagalog N.T. audiobooks. The AngelReader remains stable and robust in its performance. Please view the README3.txt for other important details about this release. Enjoy! 09-21-2018 This is the AngelReader wattles-release 1.1 for the Windows OS platform. The application continues to show its stability and robustness in various testings. In this release we put a khaki background on the text window for an eye-friendly setting for reading as well as set the font to bold for clearer text display. All the buttons and mechanisms present state: OK Please see the README.txt for the new exciting e-books and audio-book contents that go with this release. God bless and enjoy! 09-18-2018 This is AngelReader allen-release 1.0 for the Windows OS platform. The software has been run and tested many times and has so far been stable in its performance. There were minor bugs that we encountered but they had been fixed. AngelReader allen-release 1.0 is now being released to the public and any feedback will be greatly appreciated and be used for further development of the program. E-book loader state: OK Audiobook loader state: OK Window resizing using main window taskbar buttons (both maximize and minimize): OK Resizing (using mouse drag): OK Sound Check: OK Scrolldown (using middle mouse wheel): OK Scrolldown (using mouse pointer): OK Basic Audio Control Buttons: OK Thank you and Enjoy!
Hiyodori - 3.80
2018-09-24 14:30: It is a web content management application in a blog format. You can extend the function by installing a plug-in separately. Note: This application works only in Japanese.
fess-server - 12.3.1
2018-09-24 07:32: https://github.com/codelibs/fess/releases/tag/fess-12.3.1

Site announcement

Announcement Regarding New File Release Mirror Set Up in the Beijing, China
2018-09-26 07:45: We proudly announce the new mirror site that were set up in the Beijing (China), for OSDN's file release system. All the files that were released through the use of file release system of OSDN's projects and chambers are mirrored by mirror servers that are managed by organizations who are in cooperation with OSDN's open source activities, and users who want to download these files will get them from one of the mirror sites. The organization who manage the newly setup mirror servers are as follows. Tsinghua University TUNA Association (Beijing, China) OSDN will continue to keep looking for new mirror servers around the world to further support the activities of global open source projects.
New Functions Added to Forum Feature
2018-09-07 06:32: The following functions are added to the Forum Feature Now you can edit the message at the top of a thread afterward. Now you can use wiki syntax to post on a forum. You can also choose to keep the syntax that you’ve been using. For each forum, the settings can be set separately. The settings can be changed afterward. However, messages that were posted before the changes will keep the format of the previous settings and can not be changed afterward. (The changes added to the settings do not apply retroactively.) Link syntax for expressing forum/forum thread/forum message is put together on wiki. For further information, go to wiki help.
Virus Detection Feature on Project File Release
2018-06-26 05:01: System side will now perform Virus scan for files that are uploaded on project's file release. Scan result will be shown on the pages of a release list and such. For virus scanning, VirusTotal ( https://www.virustotal.com/) is used. VirusTotal checks for viruses by using multiple Virus detection engines in aggregated manner. Among these engines, there are a few very sensitive ones that frequently send false positives . Therefore, in rare occasions, virus warning message may appear against a practically and absolutely safe file. (Thus, even with the scan result from VirusTotal, the file cannot be immediately determined as dangerous.) Please review the detailed result to judge its safety. Also, this feature does not guarantee that a file is free of Virus infection, with its scan result. When there are a certain number of warnings as a result of detecting viruses, the result will be notified to the administer of the file project and the person in charge of the file release, by email. (Because a recheck may be performed after a certain period of time, there are cases that you may receive multiple notifications for a single file. ) If a file is judged to have a problem, the site admin side may make necessary measures such as making it private or deleting it. Due to the size limit on VirusTotal's API, virus scan for files that are over 350MB cannot be performed. Scan result will not be displayed immediately after the upload. (Due to the behavior of the VirusTotal, and the API's access limit, it will take at least 30 minutes, and there are even cases that could take a few days.)
Support importing SSH key from GitHub
2018-06-19 10:10: Now, by simple operation, you can import your SSH key disclosed on GitHub as your OSDN account’s SSH key. To add SSH key, you can conduct the SSH key settings from your account as usual. To import SSH key from GitHub, enter your GitHub account name in the SSH key’s additional modal window and then click the button to execute. It will be imported to the textarea reserved for entering SSH key, so confirm to add. During the login using your GitHub account, the account name will be automatically complemented.
Support Login with GitHub Account
2018-06-19 10:08: Now you can login to your OSDN account using GitHub account. The registered email address for both GitHub and OSDN accounts has to be the same. If there is no corresponding account, an OSDN account will be created.