| 10/100M Ethernet-FIFO convertor |  | Stats | | LGPL | |
| 100 MB/s Ethernet MAC Layer Switch | | Stats | | LGPL | |
| 1000BASE-X IEEE 802.3-2008 Clause 36 - Physical Coding Sublayer (PCS) | | Stats | | LGPL | |
| 10G Ethernet MAC | | Stats | | | |
| 10_100_1000 Mbps tri-mode ethernet MAC | | Stats | | LGPL | |
| 16 Quadrature Amplitude Modulator and Demodulator | | Stats | | GPL | |
| 1G eth UDP / IP Stack | | Stats | | BSD | |
| 1G Ethernet ARP | | Stats | | LGPL | |
| 1G Ethernet DPI | | Stats | | LGPL | |
| 8b10b Encoder/Decoder | | Stats | | GPL | |
| a VHDL 16550 UART core | | Stats | | | |
| A VHDL CAN Protocol Controller | | Stats | | | |
| adat receiver | | Stats | | | |
| ahci |  | Stats | | LGPL | |
| AMI / HDB1 Line Codes | | Stats | | | |
| Another SPI Controller (with FIFO) | | Stats | | LGPL | |
| Another Wishbone Controlled UART | | Stats | | GPL | B.4 |
| APB to I2C | | Stats | | LGPL | |
| APB to SPI | | Stats | | LGPL | |
| apb_protocol |  | Stats | | LGPL | |
| ARINC 429 Transmitter and Receiver | | Stats | | Others | |
| Async 8b/10b enc/dec | | Stats | | LGPL | |
| Asynchronous SPI master | | Stats | | LGPL | |
| Automatic BAUD rate generator | | Stats | | | |
| baud generator | | Stats | | GPL | |
| Bitwise addressable GPIO | | Stats | | LGPL | |
| Bluespec 802.11a Transmitter | | Stats | | LGPL | |
| Bluetooth baseband controller | | Stats | | | |
| CAN Protocol Controller | | Stats | | | |
| Cheap Ethernet interface | | Stats | | LGPL | |
| Classic NES controller interface | | Stats | | LGPL | |
| Core1990: Interlaken protocol | | Stats | | LGPL | |
| DMT Transceiver | | Stats | | GPL | |
| DMX512 transceiver | | Stats | | GPL | |
| Documented Verilog UART | | Stats | | Others | |
| DQPSK Mapper | | Stats | | GPL | |
| E1 Framer/Deframer | | Stats | | | |
| E1-G.703,G.704,G.706 framer/deframer | | Stats | | | |
| EBU/spdif to I2S project | | Stats | | | |
| EPP v1.9 | | Stats | | | |
| Etherblade.net - FPGA ethernet line-rate encapsulator (EoIP, EoMPLS, PBB etc) | | Stats | | LGPL | |
| Ethernet 100/1000 Mbps | | Stats | | LGPL | |
| Ethernet 10GE Low Latency MAC | | Stats | | LGPL | |
 Ethernet 10GE MAC | | Stats | | LGPL | |
| Ethernet MAC 10/100 Mbps | | Stats | | LGPL | |
| Ethernet SMII | | Stats | | | |
| Ethernet Switch on Configurable Logic | | Stats | | LGPL | |
| EZUSB communication core | | Stats | | GPL | |
| Fade - Light L3 Ethernet protocol for transmission of data from FPGA to embedded PC | | Stats | | Others | |
| FireWire (IEEE 1394) | | Stats | | | |
| FPGA Communication Framework | | Stats | | BSD | |
| FPGA remote slow control via UART 16550 | | Stats | | LGPL | |
| FT2232H USB Avalon Core | | Stats | | Others | |
| FT245R interface | | Stats | | LGPL | |
| FTDI Async FIFO I/F to Wishbone Bridge | | Stats | | GPL | |
| FTDI FT60x USB3.0 to AXI bus master | | Stats | | GPL | |
| full ethernet gigabit udp and mac | | Stats | | CERN-OHL2-P | |
| Gamepads | | Stats | | GPL | |
| General-Purpose I/O (GPIO) Core | | Stats | | | |
| GPIB (IEEE-488) controller | | Stats | | GPL | |
| Hardware Assisted IEEE 1588 IP Core | | Stats | | LGPL | |
| HDB3/B3ZS Encoder+Decoder | | Stats | | BSD | |
| HDLC controller | | Stats | | | |
| Hermes-Lite 2 SDR Core | | Stats | | LGPL | |
| HyperTransport Tunnel | | Stats | | | |
| I2C controller core | | Stats | | BSD | B.3 |
| I2C Master Slave Core | | Stats | | BSD | |
| I2C master/slave Core | | Stats | | | |
| I2C Multiple Bus Controller | | Stats | | BSD | |
| I2C Repeater | | Stats | | LGPL | |
| I2C Slave | | Stats | | GPL | |
| I2C Traffic Logger | | Stats | | | |
| i2cgpio | | Stats | | LGPL | |
| i2c_to_wb | | Stats | | LGPL | |
| I2S Interface | | Stats | | GPL | |
| I2S to Paralell ADC/DAC controller | | Stats | | GPL | |
| I2S to Parallel Interface | | Stats | | GPL | |
| I2S to WishBone | | Stats | | LGPL | |
| i8255 realisation in Verilog | | Stats | | LGPL | |
| IEEE 802.15.4 Core (physical layer) | | Stats | | GPL | |
| IEEE 802.15.4 CRC | | Stats | | GPL | |
| IPv4 Ethernet Packet Creator and Transmitter | | Stats | | GPL | |
| IrDA | | Stats | | | |
| Iso7816_3_Master | | Stats | | BSD | |
| JTAG Master | | Stats | | LGPL | |
| JTAG Slave / BoundaryScan Slave | | Stats | | LGPL | |
| LPC ROM emulator on USB dongle FPGA core set | | Stats | | LGPL | |
| lzs | | Stats | | LGPL | |
| MADI Receiver | | Stats | | LGPL | |
| Manchester Decoder for Wireless | | Stats | | LGPL | |
| Manchester to UART converter | | Stats | | | |
| Manchester UART | | Stats | | LGPL | |
| Minimac - the minimalist Ethernet MAC | | Stats | | GPL | |
| Minimal UART Core | | Stats | | LGPL | |
| MMIO I2C | | Stats | | LGPL | |
| Multimicrophone Interface | | Stats | | LGPL | |
| nec ir remote control decoder | | Stats | | LGPL | |
| nec_protocol_decoder | | Stats | | LGPL | |
| neopixel ws2812 | | Stats | | Others | |
| OFDM modem | | Stats | | | |
| OHCI Full/Low-Speed USB Host Controller | | Stats | | GPL | |
| One Wire Master | | Stats | | LGPL | |
| OP2P (OpenPeerToPeer Interface) | | Stats | | LGPL | |
| OPB SPI Slave | | Stats | | LGPL | |
| OPB-compatible OneWire Master | | Stats | | GPL | |
| opb_usblite | | Stats | | LGPL | |
| OV7670-SCCBMaster | | Stats | | LGPL | |
| PC-FPGA Communication Platform | | Stats | | GPL | |
| Pipelined wishbone to AXI converter | | Stats | | GPL | B.4 |
| Playstation 2 network adaptor IC CXD9731 | | Stats | | LGPL | |
| PLB-to-WB Bridge | | Stats | | LGPL | |
| PS/2 Host Controller | | Stats | | LGPL | |
| PS2 Core | | Stats | | | |
| Quad SPI Flash Controller | | Stats | | GPL | B.4 |
| Quadrature Decoder / Counter | | Stats | | GPL | |
| RapidIO IP library | | Stats | | LGPL | |
| RS232 | | Stats | | LGPL | |
| RS232 | | Stats | | LGPL | |
| rtfSimpleUart | | Stats | | BSD | |
| RXAUI Interface and XAUI to RXAUI Interface Adapter | | Stats | | | |
| SATA 2 HOST Controller | | Stats | | LGPL | |
| SATA Controller | | Stats | | Others | |
| SATA controller based on Xilinx FPGA GTX gigabit transceiver | | Stats | | LGPL | |
| SATA PHY | | Stats | | LGPL | |
| Saturn | | Stats | | LGPL | |
| Scan Based Serial Communication | | Stats | | BSD | |
| sd card controller | | Stats | | LGPL | |
| SD/eMMC/MMC card emulator | | Stats | | LGPL | |
| SD/MMC Bootloader | | Stats | | GPL | |
| SD/MMC Controller | | Stats | | GPL | |
| SDHC Self Configuring Core | | Stats | | BSD | |
| SDRAM AXI4 | | Stats | | GPL | |
| Serial ATA Host Bus Adapter Core for Virtex 6 | | Stats | | GPL | |
| Serial to parallel converter | | Stats | | LGPL | |
| Serial UART | | Stats | | | |
| Serial Uart | | Stats | | | |
| Serializer / Deserializer for audio fiber optic | | Stats | | LGPL | |
| SGMII | | Stats | | GPL | |
| Simple AES3 / SPDIF receiver | | Stats | | LGPL | |
| Simple Asynchronous Serial Controller | | Stats | | | |
| Simple RS232 UART | | Stats | | GPL | |
| Simple UART for FPGA | | Stats | | Others | |
| Single Slot PCM Interface | | Stats | | | |
| Small 1-wire (onewire) master, with Altera tools integration | | Stats | | LGPL | |
| Smartcard interface (ISO7816-3) | | Stats | | | |
| smbus_if | | Stats | | | |
| SpaceWire | | Stats | | LGPL | |
| SpaceWire Light | | Stats | | GPL | |
| SpaceWireSystemC | | Stats | | Others | |
| SPDIF Interface | | Stats | | LGPL | |
| SPDIF Transmitter | | Stats | | GPL | |
| SPI based SD card controller | | Stats | | GPL | B.4 |
| SPI controller core | | Stats | | | |
| SPI Controller for AD/DA chips on S3E/A/AN Starter Kits | | Stats | | LGPL | |
| SPI core | | Stats | | | |
| SPI Flash controller | | Stats | | GPL | |
| SPI Master Lightweight | | Stats | | LGPL | |
| spi master receiver for ADC (AD747x) | | Stats | | LGPL | |
| SPI Master/Slave Interface | | Stats | | LGPL | |
| SPI serial DAC interface | | Stats | | LGPL | |
| SPI Verilog Master & Slave modules | | Stats | | LGPL | |
| SPI-slave Wishbone-Master | | Stats | | LGPL | B.4 |
| spigpio | | Stats | | LGPL | |
| spislave | | Stats | | LGPL | |
| SPIxIF | | Stats | | LGPL | |
| SPORT Interface | | Stats | | LGPL | |
| SSP_Slv | | Stats | | LGPL | |
| SSP_UART | | Stats | | LGPL | |
| Stepper Motor Controller | | Stats | | GPL | |
| Super-I/O (SIO) controller | | Stats | | LGPL | |
| SystemC USB1.1 IP Core | | Stats | | | |
| SystemVerilog uart16550 | | Stats | | LGPL | |
| TCP IP Core | | Stats | | LGPL | |
| TCP/IP socket | | Stats | | Others | |
| TDM controller | | Stats | | | |
| TI TLV320AIC1106 PCM Codec Altera Avalon IP core | | Stats | | LGPL | |
| TIME SLOT INTERCHANGE DIGITAL SWITCH | | Stats | | | |
| tiny SPI | | Stats | | LGPL | |
| Uart (FIFO cpu interface) with SV Self-Checking Testbench | | Stats | | LGPL | |
| UART 16550 core | | Stats | | | |
| Uart block | | Stats | | LGPL | |
| UART RS232 Protocol 115200bps | | Stats | | LGPL | |
| UART to / from fiber optic | | Stats | | LGPL | |
| UART to Bus | | Stats | | BSD | |
| UART To SPI | | Stats | | LGPL | |
| UART with PLB interface | | Stats | | LGPL | |
| UART16750 | | Stats | | LGPL | |
| uart6551 | | Stats | | LGPL | |
| UART8SYSTEMC | | Stats | | Others | |
| UDP 1G | | Stats | | LGPL | |
| UDP half duplex | | Stats | | LGPL | |
| UDP/IP Core | | Stats | | GPL | |
| UDP/IPv4 for 10G Ethernet | | Stats | | LGPL | |
| ULPI Wrapper | | Stats | | BSD | |
| USB 1.1 PHY (VHDL) | | Stats | | LGPL | |
| USB 1.1 Simulation (VHDL) | | Stats | | LGPL | |
| USB 1.1 Function IP Core | | Stats | | | |
| USB 1.1 Host and Function IP core | | Stats | | LGPL | |
| USB 1.1 PHY | | Stats | | | |
| USB 2.0 Function Core | | Stats | | | |
| USB Device Core | | Stats | | LGPL | |
| USB FT232H Avalon-MM interface | | Stats | | LGPL | |
| USB Host Core | | Stats | | GPL | |
| USB to UART | | Stats | | LGPL | |
| Versatile IO | | Stats | | LGPL | |
| via6522 | | Stats | | BSD | B.3 |
| vSPI | | Stats | | Others | |
| wb_uart | | Stats | | LGPL | |
| Wiegand Controller (SIA AC-01-1996.10) | | Stats | | LGPL | |
| Wishbone LPC Host and Peripheral Bridge | | Stats | | LGPL | |
| Wishbone protocol to axi4 protocol | | Stats | | LGPL | |
| Wishbone Register Bank Intercon Multi-master Multi-slave | | Stats | | BSD | |
| Wishbone SD Card Controller | | Stats | | LGPL | |
| wishbone uart controller 8 bit | | Stats | | LGPL | |
| WishboneAXI | | Stats | | Others | B.3 |
| Wupper: PCIe DMA Engine for Xilinx FPGAs | | Stats | | Others | B.4 |
| xSPi | | Stats | | LGPL | |
| YANU - UART with predictive interrupt events on Rx/Tx buffers state | | Stats | | LGPL | |
