Dev tools · alternatives · 2026

24 alternatives to Packet Sender

Free utility to send & receive TCP and UDP packets.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Packet Sender launched in 2016; newer entries below may have overtaken it.

1
A toy version of Wireshark (student project)▲265
Hi everyone, I recently published a small open-source project. It’s a minimal network packet analyzer written in Go — designed more like a learning toy than a replacement for Wireshark. It currently supports parsing basic protocols like TLS, DNS, and HTTP, and includes a tiny fuzzing engine to test payload responses. You can inspect raw packet content directly from the terminal. The output is colored for readability, and the code structure is kept simple and clear. The entire program is very small — just about 400 lines of Go code. I know it’s not anywhere near Wireshark’s level, and I still…
2025 · github.com · its alternatives →
2
Packet Peeper for Mac▲5
Free, new protocol analyzer and packet sniffer for Mac
2016 · github.com · its alternatives →
3
The Letter Sender▲88
Send a message to anyone, anywhere, on anything.
2016 · thelettersender.com · its alternatives →
4
PacketZoom▲296
Increase your app's download speeds by 2-10x (for real)
2015 · packetzoom.com · its alternatives →
5
Sender▲297
Super easy and affordable email marketing platform
2021 · sender.net · its alternatives →
6
Courier▲257
API, designer, and metrics for messaging & notifications
2021 · courier.com · its alternatives →
7
WireEdit▲68
A Full Stack WYSIWYG Editor for Network Packets
2014 · omnipacket.com · its alternatives →
8
Tcpkit – A tool to analyze TCP/UDP packets with Lua▲65
the tcpkit was designed to make network packets programable with Lua script - git-hulk/tcpkit
2018 · github.com · its alternatives →
9
Packetbeat▲71
Open source application monitoring & performance management
2015 · its alternatives →
10
MicroTCP, a minimal TCP/IP stack▲204
A minimal TCP/IP stack. Contribute to cozis/microtcp development by creating an account on GitHub.
2023 · github.com · its alternatives →
11
Curler▲123
Dead Simple Free Uptime Monitoring
2019 · its alternatives →
12
MailClark▲198
The Slack bot for external communications
2016 · its alternatives →
13TT
tcpbin, TCP/UDP Request and Response Service▲16
2015 · tcpbin.org · its alternatives →
14
TunnelBear▲174
Secure your data and hide your IP address behind a bear.
2014 · tunnelbear.com · its alternatives →
15
Sendtask for iOS▲115
Free, powerful & simple to-do app for teams & partners
2018 · gavangtvttbdc.tv · its alternatives →
16
ParrotSnoop – Android TCP/UDP Packet Capture for IPv4/IPv6▲54
2019 · github.com · its alternatives →
17
SendHub▲100
Phone System for the Mobile World
2014 · sendhub.com · its alternatives →
18
Ring▲83
A free software for distributed and secured communication
2015 · its alternatives →
19
NetSour, CLI Based Wireshark▲59
This code is still in early beta, but i sincerley hope it will become as ubiquitous as VIM on Linux.
2024 · github.com · its alternatives →
20
BearPing▲83
Free Web Monitoring & Status Page
2023 · its alternatives →
21
A lightweight module to send HTTP(s) requests from Node.js▲6
2018 · github.com · its alternatives →
22SD
Sendfiles.dev – quick, secure P2P file transfer using WebRTC▲43
Web site to securely transmit files between browsers
2021 · sendfiles.dev · its alternatives →
23HS
https://send.rest "API to send notifications"▲17
2018 · send.rest · its alternatives →
24
Mailhub▲14
Send & monitoring Tailwind Email with ease
2025 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →