CAN bus alternatives
As of 4 November 2026, 39 iot platforms protocols are named by companies instead of CAN bus: Modbus by 2,067 companies, SPI by 1,559, I2C by 1,515.
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- CAN bus, companies in postings
- 1,760
- Most used alternative
- Modbus · 2,067
- Fastest hiring, 90 days
- Modbus
- Alternatives ranked
- 39
- Catalogue
- T-1.0.1-prov
iot platforms protocols companies choose instead of CAN bus
Companies naming each tool in their own postings, and postings in the last 90 days. Bars are relative to the category leader.
| # | Alternative | Companies | companies | vs CAN bus | postings, 90 d | Compare |
|---|---|---|---|---|---|---|
| 1 | ModbusModbus Organization | 2,067 | 117% | 5,698 | CAN bus vs Modbus → | |
| 2 | SPIMotorola | 1,559 | 89% | 4,935 | CAN bus vs SPI → | |
| 3 | I2CNXP | 1,515 | 86% | 4,820 | CAN bus vs I2C → | |
| 4 | UART(industry standard) | 1,237 | 70% | 3,224 | CAN bus vs UART → | |
| 5 | MQTTOASIS | 1,201 | 68% | 2,656 | CAN bus vs MQTT → | |
| 6 | EtherNet/IPODVA | 1,048 | 60% | 2,374 | CAN bus vs EtherNet/IP → | |
| 7 | OPC UAOPC Foundation | 935 | 53% | 2,090 | CAN bus vs OPC UA → | |
| 8 | PROFINETPROFIBUS & PROFINET International | 914 | 52% | 2,036 | CAN bus vs PROFINET → | |
| 9 | PROFIBUSPROFIBUS & PROFINET International | 701 | 40% | 1,645 | CAN bus vs PROFIBUS → | |
| 10 | BACnetASHRAE | 598 | 34% | 1,743 | CAN bus vs BACnet → | |
| 11 | USBUSB Implementers Forum | 597 | 34% | 1,786 | CAN bus vs USB → | |
| 12 | Bluetooth Low EnergyBluetooth SIG | 473 | 27% | 934 | CAN bus vs Bluetooth Low Energy → | |
| 13 | RS-485TIA | 464 | 26% | 1,001 | CAN bus vs RS-485 → | |
| 14 | OPC (OPC UA)OPC Foundation | 451 | 26% | 1,193 | CAN bus vs OPC (OPC UA) → | |
| 15 | RS-232EIA | 446 | 25% | 1,038 | CAN bus vs RS-232 → | |
| 16 | KNXKNX Association | 401 | 23% | 703 | CAN bus vs KNX → | |
| 17 | EtherCATEtherCAT Technology Group | 378 | 21% | 884 | CAN bus vs EtherCAT → | |
| 18 | BluetoothBluetooth SIG | 346 | 20% | 659 | CAN bus vs Bluetooth → | |
| 19 | IEC 61850IEC | 324 | 18% | 1,126 | CAN bus vs IEC 61850 → | |
| 20 | DNP3IEEE | 321 | 18% | 895 | CAN bus vs DNP3 → | |
| 21 | DeviceNetODVA | 285 | 16% | 598 | CAN bus vs DeviceNet → | |
| 22 | DDS (Data Distribution Service)Object Management Group | 280 | 16% | 663 | CAN bus vs DDS (Data Distribution Service) → | |
| 23 | LIN BusLIN Consortium | 266 | 15% | 1,210 | CAN bus vs LIN Bus → | |
| 24 | CAN FDBosch | 181 | 10% | 545 | CAN bus vs CAN FD → | |
| 25 | RS-422TIA/EIA | 180 | 10% | 607 | CAN bus vs RS-422 → | |
| 26 | SAE J1939SAE International | 179 | 10% | 468 | CAN bus vs SAE J1939 → | |
| 27 | ZigbeeConnectivity Standards Alliance | 179 | 10% | 427 | CAN bus vs Zigbee → | |
| 28 | 175 | 10% | 552 | CAN bus vs UDS (ISO 14229) → | ||
| 29 | 168 | 10% | 380 | CAN bus vs GPIO → | ||
| 30 | CANopenCAN in Automation | 162 | 9% | 293 | CAN bus vs CANopen → | |
| 31 | NFCNFC Forum | 147 | 8% | 366 | CAN bus vs NFC → | |
| 32 | DMX512USITT | 122 | 7% | 150 | soon | |
| 33 | LonWorksEchelon | 115 | 7% | 403 | soon | |
| 34 | ARINCSAE ITT | 114 | 6% | 492 | soon | |
| 35 | EcoStruxureSchneider Electric | 109 | 6% | 339 | soon | |
| 36 | LoRaWANLoRa Alliance | 108 | 6% | 185 | soon | |
| 37 | Azure IoT HubMicrosoft | 100 | 6% | 162 | soon | |
| 38 | DALIDiiA | 99 | 6% | 154 | soon | |
| 39 | HART ProtocolFieldComm Group | 99 | 6% | 265 | soon |
Filter on any of them, or on CAN bus users who also name an alternative, and open the person who owns the stack.
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39 iot platforms protocols are named by companies instead of CAN bus: Modbus by 2,067 companies, SPI by 1,559, I2C by 1,515, measured from their own job postings. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/can-bus/alternatives)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- RankingCompanies whose own postings name the tool as the team's system, from the Breaknorm technology catalogue T-1.0.1-prov. Editions are folded into their parent product.
- 90-day postingsOpen postings first seen or posted in the last 90 days that name the tool.
- Not includedRatings, prices, feature claims, sponsored positions.
CAN bus alternatives: questions
What is the most used alternative to CAN bus?
Modbus: 2,067 companies name it in their own job postings, against 1,760 for CAN bus.
How is this list ranked?
By the number of companies whose own postings name the tool as the team's system (Breaknorm technology catalogue T-1.0.1-prov), then by postings in the last 90 days. No ratings, no vendor input, no sponsored positions.
Does this say which is better?
No. It says who uses what, by company size, industry and country, so you can see which tools companies like yours choose. For features and prices, read the vendors.
Can I get the companies on any of these?
Yes: click the tool, see the first 20 companies, and sign up for the full list with verified e-mails. Counting is free.
Get these companies your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every company on CAN bus
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