Alternatives

Products that do what Sdr-modem. Modem that is available over TCP does

1IR
I reverse engineered my cable modem and turned it into an SDR▲357
2020 · stdw.github.io
2TU
TCP/UDP over sound▲186
2016 · github.com
3TO
TCP over sound on Android▲179
2016 · github.com
4AU
A UDP to TCP proxy server for sending HTTP requests with zero latency▲146
2020 · github.com
5AM
A minimal Fortran TCP client and server▲110
2019 · github.com
6EL
Expose local server. Support both TCP/UDP, of course support HTTP▲68
2019 · github.com
7IP
Improved passive TCP/IP geolocation▲78
2016 · sheerun.gitlab.io
8TT
tcpbin, TCP/UDP Request and Response Service▲16
2015 · tcpbin.org
9VS
Very Simple TCP/UDP Proxy▲5
2016 · github.com
10TA
Tcpkit – A tool to analyze TCP/UDP packets with Lua▲65
2018 · github.com
11DA
Dsnet, a simple command to manage a centralised WireGuard VPN▲69
2020 · github.com
12MW
Messing with Telnet▲77
2019 · jott.live
13CA
Crowbar, a tool to proxy TCP over plain HTTP▲15
2015 · github.com
14AT
A TCP Proxy in 30 lines of Rust▲19
2021 · zmedley.com
15TL
Tacopie, lightweight multi-platform C++11 TCP library▲37
2017 · github.com
16TS
Tcconfig – Simple tc wrapper, easy to set up network traffic control▲34
2016 · github.com
17RM
rfc.me▲21
2017 · rfc.me
18WW
Working With TCP Sockets book▲32
2012 · workingwithtcpsockets.com
19RS
RTL-SDR signal collection and analysis toolkit▲9
2016 · gammarf.io
20IP
Inlets Pro – L4 TCP Tunnel and Service Proxy▲6
2020 · github.com
21ED
Event-driven, user-space and highly-scalable TCP/IP stack [pdf]▲29
2015 · github.com
22FT
Fin TCP Proxy – A fan in TCP proxy using Vert.x▲6
2022 · github.com
23AF
A fast, asynchronous, and easy-to-use TCP server library for the JVM▲6
2019 · github.com
24RP
Raspberry Pi WiFi extender/router/ad-blocker to filter all DNS traffic▲13
2020 · unop.uk

Ranked by how close each launch is in meaning, then by votes. Refine with a description →