Probably
Introducing Probably: a programming language powered by Jev
LiveUpdated 2026-09-19 16:21 UTC
Languages & runtimes
Languages & runtimes scores 47/100 on the Dev Radar money board (#4), with 331 posts and 12.8M views on X over the last 21 days.
24 new tools appeared in this market over the last 7 days, and 98 posts were published about it in the last 72 hours. Jev also rates the room for a newcomer here 1.29/4.
Top Languages & runtimes tools
OpenJDK JDK 27 GA Release Builds
This article examines both
runtime
The runtime behind every E2B stack: Cloud, Enterprise, and your own machine. - e2b-dev/runtime
Bend
Bend: a fast language that blocks AI mistakes via proof.
evm-bend
Correctness-first EVM interpreter in Bend targeting Amsterdam. Working interpreter; full conformance and proofs in progress. - gakonst/evm-bend
mold
mold 🦠: A Modern Linker in Rust 🦀. Contribute to rui314/mold development by creating an account on GitHub.
Cisco Networking Academy
Cisco Networking Academy
deno
2.9.7 / 2026.09.16 fix(audit): honor configured CA stores (#36728) fix(cache): make HTTP authority paths unambiguous (#36356) fix(cli): accept all valid sys…
solar
This introduces safe low-level operations in Solidity in form of a core library. For now add: solar:core/ solar:core/v1/Bytes.sol: fixed-width reads and…
Lean 4.34.0 (2026-09-14)
Lean 4.34.0 is out: 159 changes. Three kernel soundness vulnerabilities fixed, all requiring deliberately constructed inputs rather than ordinary code.…
dial9-rs.github.io
If you work with Tokio, this is a must read: "Principles for fast Tokio applications"
laya
Contribute to NandhaKishorM/laya development by creating an account on GitHub.
dotnet-opencode
A 1:1 OpenCode V2 port in C# and .NET 11, currently in development. - Hona/dotnet-opencode
jiter
Fast iterable JSON parser. Contribute to pydantic/jiter development by creating an account on GitHub.
con-ron
A rust port of con-leche. Contribute to leanprover/con-ron development by creating an account on GitHub.
cpython
The Python programming language. Contribute to python/cpython development by creating an account on GitHub.
feelings
Probabilistic conditionals for Ruby: Feelings(message).like?("genuinely urgent") - obie/feelings
smolvm
smol machines v1.14.0 introduces branchable computing
varlock-effect-plugin
Varlock code generator for Effect Config. Contribute to dan-myles/varlock-effect-plugin development by creating an account on GitHub.
jruby
My own experiments using AI for JRuby work have been mixed, but I can report a great success: contributions from people that never would have attempted such thi
monty
What's Changed Better python executables and readmes by @samuelcolvin in #703 Fix container repr panics when a user __repr__ mutates the container by…
PyScript
@samuelcolvin Writing this for the PyScript launch is still one of my favorite demo ideas
mruby
This adds Ruby refinements to mruby, compiled in only when MRB_USE_REFINEMENTS is defined (conf.defines << 'MRB_USE_REFINEMENTS'). Nothing…
LuaRocks
A website for submitting and distributing Lua rocks
FAQ
Is there money in languages & runtimes?
Jev rates buyer spend 3.12/4, search demand 3.45/4, sponsor budgets 2.65/4 and growth 2.47/4. Overall market score: 47/100 (#4 of 12).
What are the newest languages & runtimes tools?
Probably, OpenJDK JDK 27 GA Release Builds, runtime, Bend, evm-bend. Updated 2026-09-19 16:21 UTC.
How is this ranked?
35% money (Jev judgment), 25% traction on X, 20% momentum over 72 hours, 10% new tools, 10% room for newcomers. See methodology.
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 11.2k posts from 4.9k X accounts over the last 21 days, 1.2k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 16:21 UTC. Full method.