DNP3 alternatives
As of 4 November 2026, 39 iot platforms protocols are named by companies instead of DNP3: Modbus by 2,067 companies, CAN bus by 1,760, SPI by 1,559.
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- DNP3, companies in postings
- 321
- 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 DNP3
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 DNP3 | postings, 90 d | Compare |
|---|---|---|---|---|---|---|
| 1 | ModbusModbus Organization | 2,067 | 644% | 5,698 | DNP3 vs Modbus → | |
| 2 | CAN busISO | 1,760 | 548% | 5,610 | DNP3 vs CAN bus → | |
| 3 | SPIMotorola | 1,559 | 486% | 4,935 | DNP3 vs SPI → | |
| 4 | I2CNXP | 1,515 | 472% | 4,820 | DNP3 vs I2C → | |
| 5 | UART(industry standard) | 1,237 | 385% | 3,224 | DNP3 vs UART → | |
| 6 | MQTTOASIS | 1,201 | 374% | 2,656 | DNP3 vs MQTT → | |
| 7 | EtherNet/IPODVA | 1,048 | 326% | 2,374 | DNP3 vs EtherNet/IP → | |
| 8 | OPC UAOPC Foundation | 935 | 291% | 2,090 | DNP3 vs OPC UA → | |
| 9 | PROFINETPROFIBUS & PROFINET International | 914 | 285% | 2,036 | DNP3 vs PROFINET → | |
| 10 | PROFIBUSPROFIBUS & PROFINET International | 701 | 218% | 1,645 | DNP3 vs PROFIBUS → | |
| 11 | BACnetASHRAE | 598 | 186% | 1,743 | DNP3 vs BACnet → | |
| 12 | USBUSB Implementers Forum | 597 | 186% | 1,786 | DNP3 vs USB → | |
| 13 | Bluetooth Low EnergyBluetooth SIG | 473 | 147% | 934 | DNP3 vs Bluetooth Low Energy → | |
| 14 | RS-485TIA | 464 | 145% | 1,001 | DNP3 vs RS-485 → | |
| 15 | OPC (OPC UA)OPC Foundation | 451 | 140% | 1,193 | DNP3 vs OPC (OPC UA) → | |
| 16 | RS-232EIA | 446 | 139% | 1,038 | DNP3 vs RS-232 → | |
| 17 | KNXKNX Association | 401 | 125% | 703 | DNP3 vs KNX → | |
| 18 | EtherCATEtherCAT Technology Group | 378 | 118% | 884 | DNP3 vs EtherCAT → | |
| 19 | BluetoothBluetooth SIG | 346 | 108% | 659 | DNP3 vs Bluetooth → | |
| 20 | IEC 61850IEC | 324 | 101% | 1,126 | DNP3 vs IEC 61850 → | |
| 21 | DeviceNetODVA | 285 | 89% | 598 | DNP3 vs DeviceNet → | |
| 22 | DDS (Data Distribution Service)Object Management Group | 280 | 87% | 663 | DNP3 vs DDS (Data Distribution Service) → | |
| 23 | LIN BusLIN Consortium | 266 | 83% | 1,210 | DNP3 vs LIN Bus → | |
| 24 | CAN FDBosch | 181 | 56% | 545 | DNP3 vs CAN FD → | |
| 25 | RS-422TIA/EIA | 180 | 56% | 607 | DNP3 vs RS-422 → | |
| 26 | SAE J1939SAE International | 179 | 56% | 468 | DNP3 vs SAE J1939 → | |
| 27 | ZigbeeConnectivity Standards Alliance | 179 | 56% | 427 | DNP3 vs Zigbee → | |
| 28 | 175 | 55% | 552 | DNP3 vs UDS (ISO 14229) → | ||
| 29 | 168 | 52% | 380 | DNP3 vs GPIO → | ||
| 30 | CANopenCAN in Automation | 162 | 50% | 293 | DNP3 vs CANopen → | |
| 31 | NFCNFC Forum | 147 | 46% | 366 | DNP3 vs NFC → | |
| 32 | DMX512USITT | 122 | 38% | 150 | soon | |
| 33 | LonWorksEchelon | 115 | 36% | 403 | soon | |
| 34 | ARINCSAE ITT | 114 | 36% | 492 | soon | |
| 35 | EcoStruxureSchneider Electric | 109 | 34% | 339 | soon | |
| 36 | LoRaWANLoRa Alliance | 108 | 34% | 185 | soon | |
| 37 | Azure IoT HubMicrosoft | 100 | 31% | 162 | soon | |
| 38 | DALIDiiA | 99 | 31% | 154 | soon | |
| 39 | HART ProtocolFieldComm Group | 99 | 31% | 265 | soon |
Filter on any of them, or on DNP3 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 DNP3: Modbus by 2,067 companies, CAN bus by 1,760, SPI by 1,559, measured from their own job postings. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/dnp3/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.
DNP3 alternatives: questions
What is the most used alternative to DNP3?
Modbus: 2,067 companies name it in their own job postings, against 321 for DNP3.
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 DNP3
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