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Total: 59,498 Users, 80,883 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.

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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.
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.
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.
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!
Android-x86
This is a project to port Android open source project to x86 platform, formerly known as "patch hosting for android x86 support". http://www.android-x86.org/ The original plan is to host different patches for android x86 support from open source community. A few months after we created the project, we found out that we could do much more than just hosting patches. So we decide to create our code base to provide support on different x86 platforms, and set up a git server to host it. This is an open source project licensed under Apache Public License 2.0. Some components are licensed under GNU General Public License (GPL) 2.0 or later.

Active Projects

ChibiOS
Free and Open Source RTOS for micro controllers. The OS is a complete development environment for modern MCU including a RTOS kernel, an HAL for peripherals abstraction and all the required support software. A full development environment based on Eclipse is also provided.
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.
Android-x86
This is a project to port Android open source project to x86 platform, formerly known as "patch hosting for android x86 support". http://www.android-x86.org/ The original plan is to host different patches for android x86 support from open source community. A few months after we created the project, we found out that we could do much more than just hosting patches. So we decide to create our code base to provide support on different x86 platforms, and set up a git server to host it. This is an open source project licensed under Apache Public License 2.0. Some components are licensed under GNU General Public License (GPL) 2.0 or later.
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.
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).

Nueva Releases

timidity41 - 41.3.4
2019-03-21 02:13: TiMidity++ 41 version Fork of TiMidity++ , based on UnkoTim225 . Source code is available at https://osdn.net/projects/timidity41/scm/git/timidity41/ .
clonezilla_live_alternative_testing - 20190320-cosmic-source
2019-03-20 14:24: Clonezilla is a partition and disk imaging/cloning program similar to True Image®. It saves and restores only used blocks in hard drive. Two types of Clonezilla are available, Clonezilla live and Clonezilla SE (Server Edition). * Filesystem supported: ext2, ext3, ext4, reiserfs, xfs, jfs of GNU/Linux, FAT, NTFS of MS Windows, HFS+ of Mac OS, UFS of BSD, minix of Minix and VMFS of VMWare ESX. Therefore you can clone GNU/Linux, MS windows and Intel-based Mac OS, no matter it's 32-bit (x86) or 64-bit (x86-64) OS. For these file systems, only used blocks in partition are saved and restored. For unsupported file system, sector-to-sector copy is done by dd in Clonezilla * LVM2 (LVM version 1 is not) under GNU/Linux is supported. * Multicast is supported in Clonezilla SE, which is suitable for massive clone.
catalpa - version 0.2
2019-03-20 10:45: No ChangeLog/ReleaseNote/Project Description written in this language. Please refer link bellow for other languages and/or other release informations.
fugen V1.2.3 - Version V1.2.3
2019-03-18 07:12: Some bugs are fixed: 1) Some edit command failed to create updated data 2) MGCL's bug(To check error of cskernel function use failed. Created always order 2 line and surface B-Representation(MGLBRep or MGSBRep).
mydnsjp-adapter - 20190318
2019-03-18 06:06: MyDNS.JP(ダイナミックDNS)用のIPアドレス通知装置を開発するプロジェクトです。 単にIPアドレスを通知するだけでなく、さまざまな活用が出来るように模索していきます。

Site announcement

Announcement Regarding New File Release Mirror Set Up in the Nairobi, Kenya
2019-01-17 06:36: We proudly announce the new mirror site that were set up in the Nairobi (Kenya), 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. Liquid Telecom (Nairobi, Kenya) OSDN will continue to keep looking for new mirror servers around the world to further support the activities of global open source projects.
DSA SSH key authentication support will be discontinue on OSDN
2018-11-30 04:17: SSH DSA key support is not recommend and disabled per default since 2015 on openssh upstream release beacuase of weakness of the algorithm. So, We will stop to support of DSA key for OSDN ssh login. Date: 2018-12-31 (we will disable DSA key login in Jan. 2019) Affected services: Shell service login project SCM (git/svn/hg/bzr/cvs) access via SSH PersonalForge SCM (git/sv/hg) access via SSH https://osdn.net/account/editsshkeys.php You can check SSH keys you registered above url. If you have ssh-dss key, the key will not accept to use login for OSDN after Jan. 2019. You should use another typo of key.
Announcement Regarding New File Release Mirrors Set Up in the Hong Kong and Los Angeles
2018-11-13 07:06: We proudly announce the two new mirror sites that were set up in the Hong Kong and Los Angeles, 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 organizations who manage the newly setup mirror servers are as follows. xTom Hong Kong Limited (Hong Kong, China) xTom.com Inc. (Los Angels, California, USA) OSDN will continue to keep looking for new mirror servers around the world to further support the activities of global open source projects.
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.