Show HN Daily Selection (2025-10-19)
- ServiceRadar – open-source Network Observability Platform
- Open-source implementation of Stanford's self-learning agent framework
- Silly Morse code chat app using WebSockets
- Land use visualization for European countries
ServiceRadar – open-source Network Observability Platform [Developer Tools]
53 points, 3 comments
ServiceRadar is an open-source, Kubernetes-native network observability platform designed for hybrid telecom and cloud-native environments.
- Supports legacy (SNMP/syslog) and modern (gNMI, OTLP) protocols
- Scales to 100k+ devices with mTLS security via SPIFFE/SPIRE
- Uses NATS JetStream for high-throughput event streaming (90M+ EPS)
- Features SRQL for intuitive querying and integrates with OpenTelemetry, Prometheus, and CloudEvents
- Deployable via Helm or Docker with no sign-up required
- Seeks early adopters for feedback and contributions
Discussion Link, Original Link
Open-source implementation of Stanford's self-learning agent framework [Developer Tools]
6 points, 1 comments
Open-source implementation of Stanford's self-learning agent framework that improves performance through autonomous context evolution.
- Agents execute tasks and learn from execution feedback without requiring training data
- Agents reflect on successes/failures to curate a "playbook" of strategies
- Based on Stanford's Agentic Context Engineering research
- Open-source and available for community exploration
Discussion Link, Original Link
Silly Morse code chat app using WebSockets [Entertainment]
8 points, 2 comments
Morse code chat app built for fun using WebSockets.
- Uses WebSockets for real-time communication
- Converts text to Morse code and vice versa
- Lighthearted project inspired by a joke about printers
- Simple and playful interface
Discussion Link, Original Link
Land use visualization for European countries [Research]
11 points, 6 comments
Interactive hexagonal map visualization of land use across European countries, now expanded beyond the Netherlands.
- Visualizes land use patterns in a unique hexagonal grid format
- Includes multiple European countries for comparison
- Open-source project with data stored in an SQLite database
- Encourages community contributions via GitHub PRs
- Originally focused on Dutch land use, now broader in scope