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Software development for 4Mb portable, using Z80 CPU and AA batteries
This project is for the portable computer "Cambridge Z88", produced by Sir Clive Sinclair (of ZX Spectrum fame).
We continue to support software development (ROM, 3rd party apps on memory cards and desktop applications).
We have moved to https://cambridgez88.jira.com/wiki (development, source code and documentation).
However, we continue to publish files for download here.
Pharos is a free open-source RTOS for secure, safe and real-time systems with the following characteristics:
- Memory and enhanced time partitioning (TSP)
- Native support for sporadic, periodic and aperiodic threads
- Fixed-priority preemptive scheduler
- Execution time protection (threads are prevented from executing for more time than they are configured to)
- Small size (full image has ~100 to 300KiB text, ~30KiB data)
- Hard real-time determinism
- Fast critical sections
-...
scmRTOS is tiny Real-Time Preemptive Operating System intended for use with Single-Chip Microcontrollers. scmRTOS is capable to run on small uCs with as little amount of RAM as 512 bytes. The RTOS is written on C++ and supports various platforms.
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Enable Linux firewall to support connection tracking and NAT of H.323 protocol. It supports RAS, Fast Start, H.245 Tunnelling, Call Forwarding, Signal Proxy/Softswitch, RTP/RTCP and T.120 based audio, video, fax, chat, whiteboard, file transfer, etc.
TCPCP2 is the another version of TCPCP(TCP connection passing) which enables TCP /IPv4 session transfer between hosts. The system which requires mission-critical availability typically uses clustering. TCPCP2 enables TCP/IPv4/v6 session take-over.
JINX is a Java-based multi-user Unix-like environment that allows each user to remotely run their own java programs. Also the home of CurseHTTPD, a non-blocking java HTTP server.
The objective of this project is to provide an optimized TCP/IP stack by eliminating the data copying at the socket interface and implementing a feedback-based adaptive rate-based flow control algorithm to maximize the network bandwidth utilization.
HyperSCSI is a new storage protocol designed for the transfer of SCSI data and commands over networks. The current protocol release runs on Ethernet-based networks.
LIMeTool (pronounced like the fruit), is intended to be a simple and easy interface for managing accounts on an integrated Sendmail/LDAP/Cyrus IMAP installation. It's written in PHP and is realitively easy to configure and expand.
FTPfs is a Linux kernel module. You can mount FTP servers locally and take full advantage of read-only local files (e.g. you might want to watch a movie without effectively downloading it).