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Today: 1,216 launchs · Niche of the day: browser-based utility tools · See full report →

scientific and system simulation software

Recent window: last 5.4 months (2026-05-01 → 2026-10-12), compared with the prior 5.4 months.

horizontal · 65 members · Data as of 2026-10-15

Products in this niche model biological dynamics, computational architectures, and industrial systems to test emergent behaviors and algorithmic controls. They are used by AI researchers, biophysicists, and systems engineers to experiment with neural networks, simulate hardware, or benchmark autonomous agents. Unlike generic game engines or standard numerical libraries, these tools emphasize high-fidelity biophysical rules, discrete-event mechanics, and domain-specific system emulation.

Metrics

Stage
forming
Recent count
46
Prior count
13
Total count
65
Momentum
253.85
Momentum (normalized)
0.88
Attention
0.53
Crowding
0.55
Low crowding
0.45
Concentration
0.80
Low concentration
0.20
Opportunity
0.52

Source split

github
24 (0.52)
hn
10 (0.22)
ph
12 (0.26)
yc
0 (0.00)

Dominant source: github · Divergence: 0.52

Similar niches

Monthly trajectory

Pulled from real Hacker News comment threads on this niche's launches.

Most asked for

Concerns raised

Compared to

Members

Name Source Upvotes ▼ Launched
jackie-fmri-sim GITHUB 469 2026-10-14
flybook GITHUB 234 2026-09-11
High-Res Neural Cellular Automata HN 208 2026-06-17
FlyDrones GITHUB 197 2026-09-15
Stacked Game of Life HN 195 2026-02-28
flycoinrh GITHUB 174 2026-09-10
life GITHUB 139 2026-09-14
Neural Particle Automata HN 88 2026-06-23
ant-1 GITHUB 80 2026-09-12
node GITHUB 76 2026-10-12
C discrete event SIM w stackful coroutines runs 45x faster than SimPy HN 69 2026-02-03
I built an ISP infrastructure emulator from scratch with a custom vBNG HN 68 2026-03-11
flyhard GITHUB 62 2026-09-09
FLYBOX PH 57 2026-09-25
Spin Lab HN 44 2026-06-16
Cellarium: A Playground for Cellular Automata HN 41 2026-02-21
kafka-explained GITHUB 35 2026-09-13
Simulator for a custom 8-bit discreet logic computer HN 27 2026-07-14
amfly GITHUB 26 2026-09-14
FlyBrain-HalfLife GITHUB 24 2026-09-12
Fly.exe HN 23 2026-09-14
fly-self-driving GITHUB 22 2026-09-13
Think Turing Complete, but you write the circuits in TypeScript (WIP) HN 22 2026-09-02
Minivac 601 Simulator HN 21 2025-11-16
fly-flappy GITHUB 19 2026-09-15
offshore-scada-simulator GITHUB 15 2026-09-29
plc-modbus-safety-controller GITHUB 15 2026-09-29
Neural Net Flies Navigate through a maze HN 14 2025-12-28
JammersSimulator-Tool GITHUB 14 2026-09-10
jevolution GITHUB 14 2026-09-26
fly-brain-spectacles GITHUB 13 2026-09-13
flywire-fly-lab GITHUB 12 2026-09-15
DOOM-x-Fly GITHUB 11 2026-09-15
flyjump GITHUB 11 2026-09-12
AltiVerse: What If SIM, see different decisions affect an environment HN 11 2026-06-15
Stateflow-License-2026-Full-Unlock GITHUB 11 2026-10-12
FlyWireGBA GITHUB 10 2026-10-04
Logos of Aether HN 10 2026-01-05
AS Level Chemistry Lab Simulator HN 10 2026-02-23
Infinite Sugar HN 10 2026-09-08
bsworld GITHUB 9 2026-10-12
Browser based state machine simulator and visualizer HN 9 2026-02-03
genpark-leaky-integrate-and-fire-lif-neuron-skill GITHUB 8 2026-09-09
genpark-leaky-integrate-and-fire-lif-neuron-skill GITHUB 8 2026-09-09
genpark-izhikevich-spiking-neuron-bursting-skill GITHUB 8 2026-09-09
genpark-izhikevich-spiking-neuron-bursting-skill GITHUB 8 2026-09-09
Logic Designer HN 6 2026-04-26
Fixing optical computing jitter via fluid dynamics in GPU registers HN 6 2026-08-09
ISO 8583 simulator in Python with LLM-powered message explanation HN 6 2026-01-05
A browser-based evolutionary simulation with emergent behavior HN 6 2026-01-14