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Tools · iot platforms protocols · Alternatives

IO-Link alternatives

As of 5 November 2026, 39 iot platforms protocols are named by companies instead of IO-Link: Modbus by 2,078 companies, CAN bus by 1,775, SPI by 1,569.

As of 5 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

IO-Link, companies in postings
100
Most used alternative
Modbus · 2,078
Fastest hiring, 90 days
Modbus
Alternatives ranked
39
Catalogue
T-1.0.1-prov
01Ranked by evidence

iot platforms protocols companies choose instead of IO-Link

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

#AlternativeCompaniescompaniesvs IO-Linkpostings, 90 dCompare
1
ModbusModbus Organization
2,0782078%5,703soon
2
CAN busISO
1,7751775%5,652soon
3
SPIMotorola
1,5691569%4,978soon
4
I2CNXP
1,5231523%4,848soon
5
UART(industry standard)
1,2491249%3,232soon
6
MQTTOASIS
1,2091209%2,662soon
7
EtherNet/IPODVA
1,0561056%2,396soon
8
OPC UAOPC Foundation
940940%2,107soon
9
PROFINETPROFIBUS & PROFINET International
917917%2,035soon
10
PROFIBUSPROFIBUS & PROFINET International
704704%1,644soon
11
BACnetASHRAE
600600%1,759soon
12
USBUSB Implementers Forum
597597%1,792soon
13
Bluetooth Low EnergyBluetooth SIG
476476%949soon
14
RS-485TIA
467467%998soon
15
OPC (OPC UA)OPC Foundation
455455%1,194soon
16
RS-232EIA
450450%1,039soon
17
KNXKNX Association
402402%708soon
18
EtherCATEtherCAT Technology Group
379379%889soon
19
BluetoothBluetooth SIG
348348%657soon
20
IEC 61850IEC
327327%1,116soon
21
DNP3IEEE
323323%896soon
22
DeviceNetODVA
288288%607soon
23
DDS (Data Distribution Service)Object Management Group
285285%666soon
24
LIN BusLIN Consortium
269269%1,217soon
25
CAN FDBosch
183183%542soon
26
SAE J1939SAE International
182182%467soon
27
ZigbeeConnectivity Standards Alliance
182182%430soon
28
RS-422TIA/EIA
181181%615soon
29
UDS (ISO 14229)ISO
175175%553soon
30
GPIO
170170%379soon
31
CANopenCAN in Automation
162162%294soon
32
NFCNFC Forum
148148%362soon
33
DMX512USITT
123123%151soon
34
LonWorksEchelon
116116%407soon
35
ARINCSAE ITT
114114%503soon
36
EcoStruxureSchneider Electric
109109%338soon
37
LoRaWANLoRa Alliance
109109%186soon
38
Azure IoT HubMicrosoft
102102%160soon
39
DALIDiiA
9999%154soon
20,941 companies name a iot platforms protocol in their postings.

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

Get the full list Watch this category

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

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 IO-Link: Modbus by 2,078 companies, CAN bus by 1,775, SPI by 1,569, measured from their own job postings. (Breaknorm, 5 November 2026, https://breaknorm.co/tools/io-link/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

IO-Link alternatives: questions

What is the most used alternative to IO-Link?

Modbus: 2,078 companies name it in their own job postings, against 100 for IO-Link.

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.

Companies and people

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