| List-Unsubscribe: Give recipients an alternative to marking email as spam | marking | Other software | 2 |
| Show HN: Balsio – a free European alternative to WhatsApp for work chats | WhatsApp | Other software | 1 |
| 10 Alternatives to your everyday aps | your | Other software | 3 |
| TSMC seeks factory-equipment alternatives to thwart China's rare earths grip | thwart China's | Other software | 3 |
| Show HN: Saerskriven, a Work in Progress alternative to OWASP threat dragon | OWASP | Other software | 1 |
| Alternatives to US tech platforms (2025) | US | Other software | 2 |
| open-slopware – Alternatives to FOSS projects choosing to use LLMs/AI | FOSS | Other software | 35 |
| We Built an Alternative to Vector RAG for AI Agent Memory | Vector RAG | Other software | 4 |
| Show HN: StackKit – Open-source and self-hosted alternatives to SaaS tools | SaaS | Other software | 4 |
| Show HN: AI-first open-source alternative to Microsoft and Google Office | Microsoft | Other software | 6 |
| KDE's new Photos app offers a sleek alternative to Gwenview | Gwenview | Other software | 20 |
| Parsefin – A modern alternative to WhaleWisdom for 13F tracking | WhaleWisdom | Other software | 5 |
| Alternatives to Nested If Function | Nested If Function | Other software | 12 |
| QUIC is more than a replacement for TCP | TCP | Other software | 12 |
| Switching from Kagi Search to Uruky | Kagi Search | Other software | 6 |
| PaceVer (an alternative to SemVer, for mobile apps) | SemVer | Other software | 14 |
| Ask HN: What are your go-to free/open-source alternatives to $20/mo AI SaaS? | | Other software | 1 |
| UALink – Ultra Accelerator Link – Open-Source/Hardware Alternative to NVLink | NVLink | Other software | 3 |
| Free and Crowdsource Alternative to Pitchbook and Crunchbase | Pitchbook | Other software | 2 |
| Help me test Capfolder, a free, open-source replacement for Pulley/Carta | Pulley | Other software | 1 |
| Show HN: OpenDesk, an open-source alternative to Zendesk and Intercom | Zendesk | Other software | 4 |
| Rustd – Drop-in rustc replacement for faster builds | faster | Other software | 1 |
| Show HN: We built an open source, agent-first, alternative to Profound | Profound | Other software | 2 |
| Open Oncall: Open-Source Alternative to Devin Oncall | Devin Oncall | Other software | 2 |
| SurrealDB Agent Memory: 77% on Beam, Alternative to Mem0 / Honcho / Cognee | Mem0 | Other software | 7 |
| Show HN: Circuits – Free, Open-Source Alternative to Altium Develop | Altium Develop | Other software | 1 |
| Show HN: Warpdom – drop-in jsdom replacement for Vitest and Jest | Vitest | Other software | 1 |
| Countersigned – Free Alternative to Docusign | Docusign | Other software | 2 |
| Show HN: Alternative to Cube and MetricFlow | Cube | Other software | 2 |
| wolfSSL is developing wolfTrust an open source alternative to Trusted Firmware-M | Trusted Firmware-M | Other software | 2 |
| The next-gen borrow checker, a drop-in replacement for Rust borrow checking | Rust | Other software | 4 |
| Show HN: MarbleMD – Free collaborative alternative to Typora | Typora | Other software | 3 |
| Precogly (The open-source alternative to commercial threat modeling platforms) | commercial | Other software | 1 |
| Show HN: Header Modifier Pro – A $19 pay-once alternative to Requestly | Requestly | Other software | 1 |
| Show HN: Engrams, an open source alternative to Devin | Devin | Other software | 17 |
| Eigen: Self-hosted alternative to Google Workspace | Google Workspace | Other software | 4 |
| When Fancy Eviction Fails: Rethinking Cache Replacement for LLM Prefix Reuse | LLM Prefix Reuse | Other software | 1 |
| FOSS Alternative to Nextcloud | Nextcloud | Other software | 2 |
| Show HN: Hedwig, a free and open-source alternative to Instantly and Smartlead | Instantly | Other software | 3 |
| European Network for Payments – An EU Alternative to Visa/Mastercard | Visa | Other software | 19 |
| MacOBlox – New Alternative to Sober on Linux | Sober | Other software | 3 |
| Alternatives to GPS are around the corner | GPS | Other software | 1 |
| Migrating from MinIO to Predastore | MinIO | Other software | 7 |
| A private alternative to cloud image converters and compressors | cloud | Other software | 2 |
| Show HN: CookieMop – open-source Cookie AutoDelete replacement for Manifest V3 | Manifest V3 | Other software | 1 |
| A Replacement for Bert: Introducing ModernBERT | Bert | Other software | 1 |
| Alternatives to GPS are around the corner | GPS | Other software | 14 |
| Show HN: A local alternative to Jev – 94% on Banking77 | Jev | Other software | 3 |
| DNS: A Replacement for Finger | Finger | Other software | 2 |
| Show HN: Personal Jarvis an open-source alternative to GrokBot | GrokBot | Other software | 1 |
| Flatpark: A more inclusive Flatpak app store for Linux, alternative to Flathub) | Flathub | Other software | 5 |
| Show HN: An on-device OSS alternative to Wispr Flow | Wispr Flow | Other software | 3 |
| Show HN: Open Jev Playground – try all the open source alternatives to Jev | Jev | Other software | 5 |
| Show HN: ToolRoots, local alternatives to the tools you use | the | Other software | 1 |
| Gadgetbridge: A FOSS alternative to your fitness watch's app | your | Other software | 2 |
| Comrade – A P2P Alternative to Tmate | Tmate | Other software | 1 |
| Show HN: With generators/DI, LazyPromise has become a tiny alternative to Effect | Effect | Other software | 1 |
| Show HN: Builder – An open-source alternative to Lovable, Replit, and v0 | Lovable | Other software | 4 |
| The Tech Elite Is Funding an Alternative to College | College | Other software | 9 |
| Sub-15ms, non-autoregressive, local drop-in alternative to TypeSafe Jev | TypeSafe Jev | Other software | 5 |
| Checkout offered by banks and credit unions. Alternative to OneLink | OneLink | Other software | 3 |
| Show HN: Open-Source Alternative to TypeSafe.ai | TypeSafe.ai | Other software | 2 |
| Open alternative to TypeSafe's Jev, running locally on your own GPU | TypeSafe's Jev | Other software | 2 |
| Alternatives to milk are losing moomentum | milk | Other software | 3 |
| Nerdlog, or How I Implemented a Simple Alternative to Graylog | Graylog | Other software | 2 |
| Show HN: OJ – A drop-in replacement for Vite in Rust | Vite | Other software | 18 |
| Raycast Rugpull: Free Alternative to Raycast | Raycast | Other software | 2 |
| An open source alternative to Raycast, in Rust | Raycast | Other software | 3 |
| Show HN: I made an alternative to the archived filebrowser | the | Other software | 4 |
| ZLUDA – Drop-In Replacement for CUDA on Non-Nvidia GPUs | CUDA | Other software | 2 |
| Switching from GPT-5.5 to GPT-5.6 Made Me Less Productive | GPT-5.5 | Other software | 3 |
| Show HN: OpenVurp – An open-source alternative to Grok Bot | Grok Bot | Other software | 1 |
| Good Alternative to the Cloud | the Cloud | Other software | 3 |
| Show HN: OpenMuse – an Open Source alternative to Meta's personal agent | Meta's | Other software | 1 |
| A Desperate Plea for a Free Software Alternative to Aspera (2018) | Aspera | Other software | 2 |
| OpenNMC is an open replacement for expensive APC management cards | expensive APC | Other software | 3 |
| Show HN: Hound Media Server – Media Server Alternative to Plex+Stremio | Plex+Stremio | Other software | 4 |
| Show HN: Campsend – open-source Alternative to WeTransfer | WeTransfer | Other software | 3 |
| finit: Fast, simple alternative to SysV init and systemd | SysV | Other software | 3 |
| Vitela. A free, type-safe alternative to Overleaf | Overleaf | Other software | 2 |
| PeppyOS: A simpler alternative to ROS 2 | ROS 2 | Other software | 2 |
| Peekl: An Alternative to Puppet and Ansible | Puppet | Other software | 3 |
| Alternative to Openrouter | Openrouter | Other software | 4 |
| Oj: your Rust native replacement for Vite | Vite | Other software | 2 |
| A Faster Alternative to DuckDB | DuckDB | Other software | 10 |
| Show HN: I built a spatial graph alternative to the algorithmic feed | the | Other software | 1 |
| Nvidia Is Spending $6B to Build a Powerful U.S. Alternative to Chinese AI | Chinese AI | Other software | 7 |
| Migrating from Codeberg Pages to an OpenBSD VPS | Codeberg Pages | Other software | 3 |
| Oj: Rust Native Replacement for Vite | Vite | Other software | 2 |
| OpenLogi: Native, local-first alternative to Logitech Options+, written in Rust | Logitech Options+ | Other software | 3 |
| How HN: Pulse: A free, multi-signal alternative to Alexa Rank and SimilarWeb | Alexa Rank | Other software | 2 |
| BookHive – Open-source alternative to Goodreads on ATProto | Goodreads | Other software | 3 |
| Cua's open-source alternative to Codex Computer History, encrypted locally | Codex Computer History | Other software | 1 |
| One Video Per Day – An intentional alternative to infinite feeds | infinite | Other software | 1 |
| Show HN: An open source alternative to Google's Critique | Google's Critique | Other software | 2 |
| QMUD modern Qt based, drop-in replacement for MUSHClient, MUD client | MUSHClient | Other software | 1 |
| Migrating from Codeberg Pages to an OpenBSD VPS | Codeberg Pages | Other software | 2 |
| New weekly injection offers diabetics alternative to daily insulin shots | daily | Other software | 2 |
| Alternatives to Open Source Software Tainted by AI | Open Source Software | Other software | 4 |
| Show HN: Branchline, a $15 alternative to GitLens Pro's commit graph | GitLens Pro's | Other software | 2 |
| Migrating from Tauri to Electron: Performance Comparison | Tauri | Other software | 5 |
| EU seeks alternatives to US payment cards | US | Other software | 12 |
| Open source alternative to overpriced agentic IDEs like BridgeMind (Demo Video) | overpriced | Other software | 2 |
| Show HN: OpenMicroKbd: $40 open source alternative to Codex Micro Keyboard | Codex Micro Keyboard | Other software | 3 |
| Jjc: Scriptable Alternative to Jj Split | Jj Split | Other software | 1 |
| Playcall is the open-source alternative to Gong | Gong | Other software | 1 |
| Horolog – a self-hosted, open-source alternative to Reclaim.ai | Reclaim.ai | Other software | 2 |
| Show HN: A local-first, modular replacement for your accounting software | your | Other software | 2 |
| Switching from GPT-5.5 to GPT-5.6 Made Me Less Productive | GPT-5.5 | Other software | 5 |
| OpenConnector, an open source alternative to Pipedream/Composio | Pipedream | Other software | 2 |
| Show HN: Node.JS in the Browser – An Open-source Alternative to WebContainers | WebContainers | Other software | 6 |
| Show HN: GetPageSpeed Amplify, a compatible replacement for Nginx Amplify | Nginx Amplify | Other software | 3 |
| Japan's superior alternative to Paxlovid called Xocova, finally available in US | Paxlovid | Other software | 5 |
| An Alternative to X402 | X402 | Other software | 1 |
| Show HN: MPEdb - Drop in replacement for SQLite3 with concurrency support | SQLite3 | Other software | 3 |
| Drones offer alternative to balloons for weather research | balloons | Other software | 3 |
| Drones offer alternative to balloons for weather research | balloons | Other software | 4 |
| Functional replacement for the Toshiba TA7357P sync separator IC | the Toshiba TA7357P | Other software | 13 |
| The Dutch alternative to sharing public code | sharing | Other software | 2 |
| Vortex – a Bluetooth-first alternative to KDE Connect | KDE Connect | Other software | 7 |
| Show HN: PGP Manager – a modern, user-friendly alternative to Kleopatra | Kleopatra | Other software | 1 |
| Show HN: PxlShot – Free Alternative to Cleanshot | Cleanshot | Other software | 1 |
| Show HN: KageOps – An open-source, local-first alternative to Devin | Devin | Other software | 6 |
| LynavoDrive: An open-source alternative to iCloud and Google Photos | iCloud | Other software | 2 |
| Comhad: A TUI replacement for Cyberduck, written in Rust | Cyberduck | Other software | 2 |
| Switching from Arch to NixOS: Why I Almost Quit and Why I Stayed | Arch | Other software | 1 |
| A vibe-coded alternative to YieldGimp | YieldGimp | Other software | 2 |
| Angie – Drop-In Replacement for Nginx | Nginx | Other software | 2 |
| Show HN: I built an open source alternative to Workflowy | Workflowy | Other software | 4 |
| Show HN:I built an open alternative to Simplify for autoapplying to LinkedIn job | Simplify | Other software | 5 |
| Memex – mindmap alternative to linkding, kerakeep and readeck | linkding | Other software | 3 |
| Show HN: BeePub – A reading-first alternative to Calibre-Web | Calibre-Web | Other software | 4 |
| An Alternative to Webmentions for the Emacs Carnival | Webmentions | Other software | 1 |
| Datacentres need to consider alternatives to grid connection | grid | Other software | 1 |
| European Alternatives to Mainstream Software | Mainstream Software | Other software | 2 |
| Show HN: Agentic Alternative to Jupyter Notebook | Jupyter Notebook | Other software | 4 |
| Panoramax – The free alternative to photo-mapping territories | photo-mapping | Other software | 2 |
| An ad-hoc replacement for multitail made with tmux and grcat | multitail | Other software | 1 |
| Grade distribution after switching from take home to in class | take | Other software | 4 |
| Cartes.app – a free and open map, a Web alternative to Google and Apple maps | Google | Other software | 2 |
| Show HN: Daily Refreshed drop-in replacement for LiteLLM's model price map | LiteLLM's | Other software | 4 |
| Show HN: A tree-based replacement for PowerPoint | PowerPoint | Other software | 1 |
| Recordly: A cross-platform OSS alternative to Screen Studio | Screen Studio | Other software | 2 |
| A Deterministic Replacement for LLM-as-Judge in Stateful Agent Evaluation | LLM-as-Judge | Other software | 4 |
| I built a one-time-payment alternative to subscription cloud movers | subscription | Other software | 1 |
| QDBP: Explicit depth markers as an alternative to indentation and parentheses | indentation | Other software | 1 |
| Migrating from TrueNAS to NixOS without losing data after the rug pull | TrueNAS | Other software | 6 |
| Show HN: Hikaru Labs – A private, 100% local alternative to iLoveIMG | iLoveIMG | Other software | 3 |
| Show HN: A directory of open source alternatives to proprietary software | proprietary | Other software | 2 |
| Tar: A slop-free alternative to rsync | rsync | Other software | 6 |