The Ultimate-64
Gideon Zweijtzer announced the Ultimate-64. This circuit board will replace the original circuit board in the Commodore C64. Features: FPGA SID / real SID, HDMI PAL/NTSC, cartridge, tape, user, serial, video and joystick ports. The price will be around 200 Euro.
Multi-EditorROM - CBM/PET
Steve Gray started a new project for the CBM/PET computers. The Multi-EditorROM is a adapter board that allow you to select any one of 16 different 4K Editor ROMs on a Commodore PET/CBM machine. The Editor ROM is responsible for all screen, keyboard, clock and IRQ processing on BASIC4 PET/CBM computers.
A-EON Amiga X5000
Jeremy Reimer wrote a blog about the Amiga X5000 from A-EON. The Amiga X5000 is powered by a custom PowerPC motherboard with a dual-core Freescale CPU @ 2.5GHz. The system can run AmigaOS, MorphOS or Linux.
Ultimate1541 Sid Remote v1.1
With Ultimate1541 Sid Remote you can send SID music to the Commodore C64 from a PC. The program is developed by L.A.Style and tested by hedning.
Amiga 1012
S Gust designed a new front for the Commodore Amiga A1011 floppy drive. It allows you to mount 2 slim line floppy drives like the NEC FD 3238T or TEAC FD005 inside a A1011 case.

More information about the necessary electronics.
SuperCPU - VIC20
Kakemoms is working on a SuperCPU for the Commodore VIC20. The features are: 22MHz, 65C02 core, 1MByte RAM, USB, SD-card and VGA. At the moment the PCB layout is almost finished.
Jan Beta - Retrobright A1200
Jan Beta has made a video about using Retrobright on an Amiga 1200.
SD-BOX v1.19
The SD-BOX is a cartridge with an SD card interface for the Commodore C64. The cartridge has many functions for the disk drive and the Datassette. Recent updates: Improvements for the SD2IEC (fast read during disk copy), auto-swap, disk drive, manual and the SID Player.
Clockport Expander Rev. C
Matthias Münch released the Clockport Expander Rev. C for the Amiga 1200. This version makes it possible to use the Clockport Expander with the Indivision AGA Mk 2cr.
The 8-Bit Guy - VIC-20 cartridges
The 8-Bit Guy made a video about using a Penultimate, Pentagorat and a Planet X1 cartridge with the Commodore VIC-20.
Wicher 500i
The Wicher 500i turbo card has been designed for installation inside Amiga the A500 / A500+ computer. Features: 68000/68010 CPU, 50 MHz, 8 MB Fast RAM (SIMM72), IDE controller and SPI controller.

Another new project is a CD32 Expansion Slot.
C128 WiFi modem
Pyrofer made a WiFi modem for the Commodore C128. The WiFi modem is installed on the motherboard and it works together with the Desterm software.
SmallyMouse2
SmallyMouse2 is a universal USB to quadrature mouse adapter for many 8-bit and 16-bit retro computers and allows the use of modern USB mice on machines such as the Acorn BBC Micro, Acorn Master, Acorn Archimedes, Commodore Amiga, Atari ST and many more.
Super Kernel 24 in 1
RetroJeck, Tommi_NRW and KiWi developed a Kernel replacement for the Commodore C64. With a menu you can choose between 24 different Kernels.
IECHost
Luigi Di Fraia has added more functionality to his IECHost device. With this device you can connect a Commodore IEC disk drive via USB to a PC. This time he writes a d64 image to a diskette. The time it takes is about 33 seconds.
Mega65
Paul Gardner-Stephen is working on a FPGA version of the Commodore C65. His goal is to make an 8-bit computer for the 21st century. Most recent updates: Building the lab-prototype of the MEGA65.
KA71 - Amiga
The KA71 is a headphone amplifier designed for the Amiga. Its main feature is adjustable stereo channel separation. An Amiga has 100% separation, so listening to it via headphones is uncomfortable. With the KA71 channels can be cross mixed at any amount from full stereo to full mono.
326298 Rev A board
Bo Herrmannsen is working on a replica of the 326298 Rev A motherboard. This motherboard is the first motherboard for the Commodore C64. He has now made the PCB layout in Sprint-Layout and wants to produce the new motherboards.
The Final Cartridge III - replica
Greisi made a new version of the Final Cartridge III. The new version also has improvements such as a FLASH chip instead of an EPROM a fuse and more decoupling capacitors.
WiFi232 Modem
The AmigaLove web page made a review about the WiFi232 Modem from Paul Rickards. The modem can be plugged into any standard RS-232C DB25 serial port. The features are: 300 - 115200 baud, Hayes compatible, firmware updates possible, built-in web server, MDNS support and WiFi access point.
SuperCPU - VIC20
Kakemoms is working on a SuperCPU for the Commodore VIC20. The features are: 22MHz, 65C02 core, 16 KByte RAM expansion and plugs into the expansion port.
LCD character screen - user-port
"The 8-Bit Guy" has posted an inspiring video. How to connect a character LCD to the user-port. Many things go wrong but in the end the project succeeds.
IECHost
Luigi Di Fraia is now working on a directory / file system for his IECHost device. With this device you can connect a Commodore IEC disk drive via USB to a PC.
Mega65
Paul Gardner-Stephen is working on a FPGA version of the Commodore C65. His goal is to make an 8-bit computer for the 21st century. Most recent updates: Matrix mode, cartridge support and updated video mode.
C64c Raspberry Pi conversion frame
COREi64 started a Kickstarter campaign for a framework that mounts in an original C64c case. The end result is possibility to place a Raspberry Pi 2 or 3 in a C64c case.
D520 - Amiga
Thorsten Schubert is developing a RGB/audio to HDMI converter for the Amiga. With this converter it is possible to connect an Amiga to a modern monitor. Features: 50/60Hz, PAL, power from the Amiga, firmware update via the Amiga and scanlines. The price will be around 80 Euro.

More information (German language).
JaffyDOS - C64
Jani made an improved Kernel for the Commodore C64 with a SD2IEC device. Features: Jiffydos protocol / DOS wedge, Customizable colour scheme and F-keys, Filebrowser, File copier, d64/d71/d81 images and a file start- and end address during load.
F2R16 - Amiga
GGLabs made a replacement for the Amiga ROM chips. You can use the F2R16 for a replacement of the Kickstart ROM. And you can program the F2R16 with a TL866 programmer (with adapter).
BlackBOX 1200
The BlackBOX 1200 is a new tower system for the Amiga 1200. Features: 350W power supply, PC/Amiga keyboard interface, 2 x 5.25", 4 x 3.5", 1 x 2.5", 1 x Amiga FDD facia / bracket, transparent side panel, 2 fans and 2 x USB.
Mega65
Paul Gardner-Stephen is working on a FPGA version of the Commodore C65. His goal is to make a 8-bit computer for the 21st century. The most recent update: A prototype is now available for testing.
Commodore 64: For the Love of a Machine
Andreas Wallström started a Kickstarter campaign for making book about the Commodore C64. In the book you will find interviews with Al Charpentier, Antony Crowther, Ben Daglish, Bob Yannes, Chris Hülsbeck, Dave Collier, Dave Rowe, Fred Gray, Karen Davies-Downey, Donna Steiner-Buttlaire, Dawn Jones, Ally Noble, John Twiddy and Zoltan Kelemen.
IECHost
Luigi Di Fraia has made a demonstration video of his IECHost device. With this device you can connect a Commodore IEC disk drive via USB to a PC. In the demonstration he makes an d64 image in about 25 seconds.
The Final Chesscard
Jani wrote a blog about The Final Chesscard for the Commodore C64. The Final Chesscard is a stand-alone computer with 32K of ROM, 8K of RAM and an extra CPU running at 5 Mhz.
C64 Thermometer
Nostalgia Nerd has made a video about a chapter in the book "Experiments with your computer". With this he demonstrates how easy it can be to turn your C64 into a graphical thermometer.
SD-BOX v1.18
The SD-BOX is a cartridge with an SD card interface for the Commodore C64. The cartridge has many functions for the disk drive and the Datassette. Recent updates: Improvements for the SID player (RSID, PSID, title, author and publisher), Datassette, disk-drive, cartridge restart and an update for the manual.
ACA500
An update for the ACA500 turbo card from Individual Computers is now available. Changes in this version: ROM name support, new MMU libraries, serial logging, reset to factory and 1MByte "slow ram".
1551USB
Cbmhardware is building an interface between the Commodore Plus/4 and a PC. He uses an Arduino Uno that connects to the cartridge port of the Commodore Plus/4 and to the USB of the PC. The transfer rates are 6 kB/s and software for the Commodore Plus/4, the Aruino Uno and the PC is available.
ISEPIC
With permission from the rights owner (Chip Gracey), the ISEPIC cartridge has been brought back to the world. The ISEPIC cartridge is the very first "freezer" cartridge to have been invented and brought to market back in the 80's for the Commodore 64. This cartridge is similar in function to the "freeze" function of AR or Super Snapshot cartridges that were developed after the ISEPIC. Developed by Chip Gracey, and marketed through Starpoint software back in 1985, this cartridge only remained on the market for about 6 months before it was to fade into Commodore history. Fast forward a few months ago, COREi64.com has brought back a dimensionally identical reproduction of the ISEPIC cartridge. Original cartridge artwork was also reproduced and a faithful authentic styled 3D printed case completes the package.
1541 Ultimate - firmware
There is new firmware available for the 1541 Ultimate. This version is developed by markusC64. Changes in this version: Many small errors are removed and there is now support for Pagefox and EXOS.
Commodore VIC 20: a visual history
Giacomo Vernoni made a book with high quality pictures of the VIC 20, peripherals and Commodore games on cartridge. A few examples are: VIC 1001, VIC 20 (PAL/NTSC), VIC 1010, VIC 1020, VICmodem, VIC 1515, VIC 1525, VIC 1540, VIC 1541, C2N, 1530, paddles, joysticks, boxes and cartridges.
TerribleFire 530
The TerribleFire 530 is an accelerator for the Amiga 500. The system is still in development but it is already tested with AmigaOS 1.3, 2.05 & 3.1, games and desktop apps at 25Mhz. All the information is available as open-source.

Videos about the TerribleFire 530 turbo card.
Commodore 64 Wifi Modem
Hpz937 made a WiFi modem for the Commodore C64. For this modem he used a ESP8266, C64 edge connector and a small PCB. The firmware you will need is also available.
GCart Jr. - VIC20
Thomas Lövskog is developing cartridges for the Commodore VIC-20. The GCart Junior is a RAM expansion for the VIC-20. At the moment he is testing the first batch of cartridges.
PET keyboard - USB
AkBKukU developed an interface that makes it possible to connect a Commodore PET keyboard via USB to a modern PC. AkBKukU uses a Teensy++ for the interface. The source code is available on Github.
HC508 Amiga 500 accelerator card
Mc68k has completed the first few 50 MHz HC508 Amiga 500 accelerator cards. The specifications are: 68HC000 CPU (50 MHz), 40 pin IDE connector (5 MB/s) for HDD, CD ROM etc., integrated CF card connector (3.2 MB/s), 8 MB Fast RAM and 512k FlashROM for Kickstart.
Amiga laser tank mouse
Jesús de la Torre has developed an laser conversion kit for the Amiga tank mouse. The specifications are: Resolution up to 8500 DPI, independent resolution for X and Y axes, self-tuning and automatic sleep / wake-up funtion.

Translation to English.
FM Radio app - GEOS
Timo Voutilainen has made a FM Radio app for GEOS. This app supports a RDA5807 module connected to the user port of the Commodore C64.

FM Radio module.
Princess C64SD v4.0 Ultra
The Princess C64SD v4.0 Ultra is a new product from Manosoft. Features: Redesigned schematic, C=LINK (Bluetooth), indexing on TAP files and multi cassettes TAP games, TAP for PET / CBM computers, stand-alone operation, ATMega1284p with 128KB flash memory, and improvements for the firmware.
8701 replacement
A prototype has been developed to replace the 8701 clock generator chip used on boards 250425, 250466, 250469 and in the C128. A NTSC and a PAL version will be available in the next few months.
Vampire / Apollo - Gold2
The Vampire turbo card uses the Apollo FPGA-core to emulate the 68000 CPU and the SAGA graphics chip. The changes for Apollo are: Added CPU counters and TURTLE mode. Improvements for AMMX, PCR, MOVEC Rc,Rn, memory controller and the HDMI core.