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Tools · iot platforms protocols · Alternatives

UART alternatives_

As of 4 November 2026, 39 iot platforms protocols are named by companies instead of UART: 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.

UART, companies in postings
1,237
Most used alternative
Modbus · 2,067
Fastest hiring, 90 days
Modbus
Alternatives ranked
39
Catalogue
T-1.0.1-prov
01 — Ranked by evidence

iot platforms protocols companies choose instead of UART

Companies naming each tool in their own postings, and postings in the last 90 days. Bars are relative to the category leader.

#AlternativeCompaniescompaniesvs UARTpostings, 90 dCompare
1
ModbusModbus Organization
2,067167%5,698UART vs Modbus →
2
CAN busISO
1,760142%5,610UART vs CAN bus →
3
SPIMotorola
1,559126%4,935UART vs SPI →
4
I2CNXP
1,515122%4,820UART vs I2C →
5
MQTTOASIS
1,20197%2,656UART vs MQTT →
6
EtherNet/IPODVA
1,04885%2,374UART vs EtherNet/IP →
7
OPC UAOPC Foundation
93576%2,090UART vs OPC UA →
8
PROFINETPROFIBUS & PROFINET International
91474%2,036UART vs PROFINET →
9
PROFIBUSPROFIBUS & PROFINET International
70157%1,645UART vs PROFIBUS →
10
BACnetASHRAE
59848%1,743UART vs BACnet →
11
USBUSB Implementers Forum
59748%1,786UART vs USB →
12
Bluetooth Low EnergyBluetooth SIG
47338%934UART vs Bluetooth Low Energy →
13
RS-485TIA
46438%1,001UART vs RS-485 →
14
OPC (OPC UA)OPC Foundation
45136%1,193UART vs OPC (OPC UA) →
15
RS-232EIA
44636%1,038UART vs RS-232 →
16
KNXKNX Association
40132%703UART vs KNX →
17
EtherCATEtherCAT Technology Group
37831%884UART vs EtherCAT →
18
BluetoothBluetooth SIG
34628%659UART vs Bluetooth →
19
IEC 61850IEC
32426%1,126UART vs IEC 61850 →
20
DNP3IEEE
32126%895UART vs DNP3 →
21
DeviceNetODVA
28523%598UART vs DeviceNet →
22
DDS (Data Distribution Service)Object Management Group
28023%663UART vs DDS (Data Distribution Service) →
23
LIN BusLIN Consortium
26622%1,210UART vs LIN Bus →
24
CAN FDBosch
18115%545UART vs CAN FD →
25
RS-422TIA/EIA
18015%607UART vs RS-422 →
26
SAE J1939SAE International
17914%468UART vs SAE J1939 →
27
ZigbeeConnectivity Standards Alliance
17914%427UART vs Zigbee →
28
UDS (ISO 14229)ISO
17514%552UART vs UDS (ISO 14229) →
29
GPIO
16814%380UART vs GPIO →
30
CANopenCAN in Automation
16213%293UART vs CANopen →
31
NFCNFC Forum
14712%366UART vs NFC →
32
DMX512USITT
12210%150soon
33
LonWorksEchelon
1159%403soon
34
ARINCSAE ITT
1149%492soon
35
EcoStruxureSchneider Electric
1099%339soon
36
LoRaWANLoRa Alliance
1089%185soon
37
Azure IoT HubMicrosoft
1008%162soon
38
DALIDiiA
998%154soon
39
HART ProtocolFieldComm Group
998%265soon
20,804 companies name a iot platforms protocol in their postings.

Filter on any of them, or on UART users who also name an alternative, and open the person who owns the stack.

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Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

39 iot platforms protocols are named by companies instead of UART: 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/uart/alternatives)
How we know

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.
FAQ

UART alternatives: questions

What is the most used alternative to UART?

Modbus: 2,067 companies name it in their own job postings, against 1,237 for UART.

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.

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