The ones marked with a '\*' are must see for me.

1. \* [Was Leslie Lamport Right?](https://fosdem.org/2025/schedule/event/fosdem-2025-4941-was-leslie-lamport-right-/)
2. \* [Using LLMs to support Firefox developers with code review](https://fosdem.org/2025/schedule/event/fosdem-2025-6422-using-llms-to-support-firefox-developers-with-code-review/)
3. \* [A memory allocator with only 0.006% fixed overhead written from scratch](https://fosdem.org/2025/schedule/event/fosdem-2025-4479-a-memory-allocator-with-only-0-006-fixed-overhead-written-from-scratch/)
4. [Living the SBOM life - the good, the bad and the evil parts](https://fosdem.org/2025/schedule/event/fosdem-2025-5859-living-the-sbom-life-the-good-the-bad-and-the-evil-parts/)
5. [APuP: A Hundred-Line Hack to Make Wi-Fi Great Again](https://fosdem.org/2025/schedule/event/fosdem-2025-5195-apup-a-hundred-line-hack-to-make-wi-fi-great-again/)
6. \* [Converting an '07 car to an RC EV using open source software](https://fosdem.org/2025/schedule/event/fosdem-2025-4971-converting-an-07-car-to-an-rc-ev-using-open-source-software/)
7. \* [High Performance Packet filtering in BSD. A holistic review](https://fosdem.org/2025/schedule/event/fosdem-2025-4399-high-performance-packet-filtering-in-bsd-a-holistic-review/)
8. \* [A packet's journey through pf](https://fosdem.org/2025/schedule/event/fosdem-2025-4306-a-packet-s-journey-through-pf/)
9. \* [Migrating 3B rows to TiDB for a high-traffic application](https://fosdem.org/2025/schedule/event/fosdem-2025-4993-migrating-3b-rows-to-tidb-for-a-high-traffic-application/)
10. [Reusing PostgreSQL codebase in a Distributed SQL Architecture (YugabyteDB)](https://fosdem.org/2025/schedule/event/fosdem-2025-5036-reusing-postgresql-codebase-in-a-distributed-sql-architecture-yugabytedb-/)
11. [Writing a kubernetes controller… But in Rust](https://fosdem.org/2025/schedule/event/fosdem-2025-4189-writing-a-kubernetes-controller-but-in-rust/)
12. \* [Immutable All the Way Down - using System Extensions to ship Kubernetes](https://fosdem.org/2025/schedule/event/fosdem-2025-4677-immutable-all-the-way-down-using-system-extensions-to-ship-kubernetes/)
13. \* [Declarative Networking in Declarative World, ver. 2025](https://fosdem.org/2025/schedule/event/fosdem-2025-4077-declarative-networking-in-declarative-world-ver-2025/)
14. \* [Implementing a rootless container manager from scratch](https://fosdem.org/2025/schedule/event/fosdem-2025-5022-implementing-a-rootless-container-manager-from-scratch/)
15. \* [Could we actually replace containers?](https://fosdem.org/2025/schedule/event/fosdem-2025-6123-could-we-actually-replace-containers-/)
16. \* [Small headed programming for performance with prescheme, nim and zig](https://fosdem.org/2025/schedule/event/fosdem-2025-5848-small-headed-programming-for-performance-with-prescheme-nim-and-zig/)
17. \* [Replacement ravanan: a Common Workflow Language implementation powered by Guix](https://fosdem.org/2025/schedule/event/fosdem-2025-6835--replacement-ravanan-a-common-workflow-language-implementation-powered-by-guix/)
18. \* [Boot from network attached devices using mkosi-initrd (or why systemd distributions should really start considering mkosi-initrd)](https://fosdem.org/2025/schedule/event/fosdem-2025-4644-boot-from-network-attached-devices-using-mkosi-initrd-or-why-systemd-distributions-should-really-start-considering-mkosi-initrd-/)
19. [Flatcar and Gentoo sitting in a tree - A collaboration of distributions](https://fosdem.org/2025/schedule/event/fosdem-2025-4763-flatcar-and-gentoo-sitting-in-a-tree-a-collaboration-of-distributions/)
20. \* [Rust, RPMs, and the Fine Art of Dependency Bundling](https://fosdem.org/2025/schedule/event/fosdem-2025-5570-rust-rpms-and-the-fine-art-of-dependency-bundling/)
21. \* [A tale of several distros joining forces for a common goal: reproducible builds](https://fosdem.org/2025/schedule/event/fosdem-2025-6479-a-tale-of-several-distros-joining-forces-for-a-common-goal-reproducible-builds/)
22. \* [Building the Future: Understanding and Contributing to Immutable Linux Distributions](https://fosdem.org/2025/schedule/event/fosdem-2025-5027-building-the-future-understanding-and-contributing-to-immutable-linux-distributions/)
23. [getaddrinfo sucks, everything else is much worse](https://fosdem.org/2025/schedule/event/fosdem-2025-4229-getaddrinfo-sucks-everything-else-is-much-worse/)
24. [Honey, I shrunk DNSdist](https://fosdem.org/2025/schedule/event/fosdem-2025-4991-honey-i-shrunk-dnsdist/)
25. \* [Writing a Minimal Scheduler with eBPF, sched_ext, and C](https://fosdem.org/2025/schedule/event/fosdem-2025-4458-writing-a-minimal-scheduler-with-ebpf-schedext-and-c/)
26. [Using embedded Rust to build an unattended, battery-powered device](https://fosdem.org/2025/schedule/event/fosdem-2025-6300-using-embedded-rust-to-build-an-unattended-battery-powered-device/)
27. \* [Discovering indoor environments and positioning systems](https://fosdem.org/2025/schedule/event/fosdem-2025-4526-discovering-indoor-environments-and-positioning-systems/)
28. \* [An Intro to eBPF with Go: The Foundation of Modern Kubernetes Networking](https://fosdem.org/2025/schedule/event/fosdem-2025-5124-an-intro-to-ebpf-with-go-the-foundation-of-modern-kubernetes-networking/)
29. [Running Kubernetes Workloads on HPC with HPK](https://fosdem.org/2025/schedule/event/fosdem-2025-5722-running-kubernetes-workloads-on-hpc-with-hpk/)
30. [A Pantheon of The Gods: Open Source Multiphysics Software for Analysis of Fusion Power Plant Systems](https://fosdem.org/2025/schedule/event/fosdem-2025-5802-a-pantheon-of-the-gods-open-source-multiphysics-software-for-analysis-of-fusion-power-plant-systems/)
31. \* [Effect of kernel optimizations on HPC workloads performance](https://fosdem.org/2025/schedule/event/fosdem-2025-6520-effect-of-kernel-optimizations-on-hpc-workloads-performance/)
32. [ParticleOS: Can we make Lennart Poettering run an image based distribution?!](https://fosdem.org/2025/schedule/event/fosdem-2025-4057-particleos-can-we-make-lennart-poettering-run-an-image-based-distribution-/)
33. [Lessons learned from deploying boot security features on embedded systems](https://fosdem.org/2025/schedule/event/fosdem-2025-5244-lessons-learned-from-deploying-boot-security-features-on-embedded-systems/)
34. [Generating immutable, A/B updatable, securely booting Debian images](https://fosdem.org/2025/schedule/event/fosdem-2025-4695-generating-immutable-a-b-updatable-securely-booting-debian-images/)
35. \* [Waste-Free Per-CPU Userspace Memory Allocation](https://fosdem.org/2025/schedule/event/fosdem-2025-6245-waste-free-per-cpu-userspace-memory-allocation/)
36. [POSIX Signals in User Space on the Redox Microkernel](https://fosdem.org/2025/schedule/event/fosdem-2025-5670-posix-signals-in-user-space-on-the-redox-microkernel/)
37. [Discovering the Magic Behind OpenTelemetry Instrumentation](https://fosdem.org/2025/schedule/event/fosdem-2025-4146-discovering-the-magic-behind-opentelemetry-instrumentation/)
38. \* [Zero-Code Distributed Traces for any programming language](https://fosdem.org/2025/schedule/event/fosdem-2025-5028-zero-code-distributed-traces-for-any-programming-language/)
39. [The performance impact of auto-instrumentation](https://fosdem.org/2025/schedule/event/fosdem-2025-5502-the-performance-impact-of-auto-instrumentation/)
40. \* [How reproducible is NixOS?](https://fosdem.org/2025/schedule/event/fosdem-2025-4430-how-reproducible-is-nixos-/)
41. \* [Six months with Nix & devenv and counting](https://fosdem.org/2025/schedule/event/fosdem-2025-5732-six-months-with-nix-devenv-and-counting/)
42. [Building an LTE router with a $60 (new!) laptop and a single file](https://fosdem.org/2025/schedule/event/fosdem-2025-6437-building-an-lte-router-with-a-60-new-laptop-and-a-single-file/)
43. [system-manager: unleashing nix on (almost) any distro](https://fosdem.org/2025/schedule/event/fosdem-2025-5987-system-manager-unleashing-nix-on-almost-any-distro/)
44. \* [Go in the Nix ecosystem: vulnerability scanning and experiments towards a next-gen builder](https://fosdem.org/2025/schedule/event/fosdem-2025-5654-go-in-the-nix-ecosystem-vulnerability-scanning-and-experiments-towards-a-next-gen-builder/)
45. [My Nix-Powered Homelab](https://fosdem.org/2025/schedule/event/fosdem-2025-6330-my-nix-powered-homelab/)
46. [NixOps4: new, sustainable platform for deployment technology](https://fosdem.org/2025/schedule/event/fosdem-2025-5366-nixops4-new-sustainable-platform-for-deployment-technology/)
47. \* [No more boot loader: boot using the Linux kernel](https://fosdem.org/2025/schedule/event/fosdem-2025-6469-no-more-boot-loader-boot-using-the-linux-kernel/)
48. \* [Anatomy of a Python OpenTelemetry instrumentation](https://fosdem.org/2025/schedule/event/fosdem-2025-4282-anatomy-of-a-python-opentelemetry-instrumentation/)
49. [Nim for Pythonistas (and Open Source Lovers)](https://fosdem.org/2025/schedule/event/fosdem-2025-6414-nim-for-pythonistas-and-open-source-lovers-/)
50. [Meshtastic - off-grid communication for everyone](https://fosdem.org/2025/schedule/event/fosdem-2025-4375-meshtastic-off-grid-communication-for-everyone/)
51. \* [Supersonic retro development with Docker](https://fosdem.org/2025/schedule/event/fosdem-2025-4235-supersonic-retro-development-with-docker/)
52. \* [General Electric Dreams: restoring the GE-120, a milestone in transistor-based computing](https://fosdem.org/2025/schedule/event/fosdem-2025-5866--general-electric-dreams-restoring-the-ge-120-a-milestone-in-transistor-based-computing/)
53. [The Small Device C Compiler targeting Z80, MOS 6502 and their derivatives](https://fosdem.org/2025/schedule/event/fosdem-2025-4899-the-small-device-c-compiler-targeting-z80-mos-6502-and-their-derivatives/)
54. [How I optimized zbus by 95%](https://fosdem.org/2025/schedule/event/fosdem-2025-4104-how-i-optimized-zbus-by-95-/)
55. [Lessons learned from integrating SBOM in a supply chain](https://fosdem.org/2025/schedule/event/fosdem-2025-5784-lessons-learned-from-integrating-sbom-in-a-supply-chain/)
56. [Optimizing Longhorn for high performance hardware](https://fosdem.org/2025/schedule/event/fosdem-2025-5709-optimizing-longhorn-for-high-performance-hardware/)
57. [Refining the Release Strategy of a Custom Linux Distro](https://fosdem.org/2025/schedule/event/fosdem-2025-5699-refining-the-release-strategy-of-a-custom-linux-distro/)
58. \* [Moving Beyond Containers - Introducing Boxer](https://fosdem.org/2025/schedule/event/fosdem-2025-6115-moving-beyond-containers-introducing-boxer/)
59. [Wazero vs Chicory: An In-Depth Comparison Between Two Language-Native Wasm Runtimes](https://fosdem.org/2025/schedule/event/fosdem-2025-4961-wazero-vs-chicory-an-in-depth-comparison-between-two-language-native-wasm-runtimes/)
60. [WASM meets unikernels: Secure and Efficient Cloud-Native Deployments](https://fosdem.org/2025/schedule/event/fosdem-2025-6292-wasm-meets-unikernels-secure-and-efficient-cloud-native-deployments/)