Discover open source alternatives to popular software. Curated by @kulpinski.dev Join 8k+ subscribers → openalternative.cohttps://bsky.app/profile/openalternative.cohttps://bsky.app/profile/openalternative.co/post/3mv4jpimvbm2690,000 stars on GitHub for Zed. From the creators of Atom and Tree-sitter: native Rust performance, real multiplayer collaboration, AI built into the core rather than bolted on after. @zed.dev openalternative.co/zed https://openalternative.co/zed09 Sep 2026 21:56 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mv4jpimvbm26https://bsky.app/profile/openalternative.co/post/3mv4cyvcgk32zMost cookie banners are a script tag slapped onto a site and forgotten. c15t (@c15t.com) builds consent management as an actual framework: open source, framework-agnostic, and fully yours, no vendor lock-in. openalternative.co/c15t https://openalternative.co/c15t09 Sep 2026 19:56 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mv4cyvcgk32zhttps://bsky.app/profile/openalternative.co/post/3mv3vpdfl6j26Tracing, metrics, logs, and profiling usually mean separate tools and separate dashboards. Apache SkyWalking covers all of it in one open source platform, across 10+ languages, with eBPF monitoring on Kubernetes. Just added to the directory 👇 https://openalternative.co/apache-skywalking09 Sep 2026 15:58 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mv3vpdfl6j26https://bsky.app/profile/openalternative.co/post/3mv3ov6e57x2zMost self-hosted blog software leaves you bolting on SEO, comments, and a newsletter yourself. Hyvor Blogs (@hyvor.com) ships with all three, plus a clean editor and real-time collaboration for teams. New on OpenAlternative 👇 openalternative.co/hyvor-blogs https://openalternative.co/hyvor-blogs09 Sep 2026 13:56 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mv3ov6e57x2zhttps://bsky.app/profile/openalternative.co/post/3mv3ilj34cd2cInsomnia just hit 40,000 stars on GitHub. It's the API client built for REST, GraphQL and gRPC alike: debug requests, run collections, and share workspaces with a team without fighting the tool. 40k and counting 👇 openalternative.co/insomnia https://openalternative.co/insomnia09 Sep 2026 12:03 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mv3ilj34cd2chttps://bsky.app/profile/openalternative.co/post/3muzsnkpw3523Google Maps needs a signal and your location history. Organic Maps needs neither. Free, open-source, offline trail maps for hikers and cyclists, turn-by-turn navigation, no tracking. @organicmaps.bsky.social openalternative.co/organic-maps https://openalternative.co/organic-maps08 Sep 2026 19:58 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3muzsnkpw3523https://bsky.app/profile/openalternative.co/post/3muzm7vqn7t2dMost log tools index every line of text, which gets pricey once volume grows. Loki flips that: it indexes labels, not full text, then filters within those. Multi-tenant, horizontally scalable, and cheap to run at scale. New on the directory 👇 openalternative.co/grafana-loki https://openalternative.co/grafana-loki08 Sep 2026 18:03 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3muzm7vqn7t2dhttps://bsky.app/profile/openalternative.co/post/3muzfjdc4dg2u1,000 stars on GitHub for ByteChef. The platform lets you build AI agent workflows on top of your existing tools, connecting and automating without custom code. openalternative.co/bytechef https://openalternative.co/bytechef08 Sep 2026 16:03 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3muzfjdc4dg2uhttps://bsky.app/profile/openalternative.co/post/3muz6stc6wa2uCRM just crossed 10,000 stars on GitHub. An agentic CRM where the agents do the admin: • Read your inbox • Enrich contacts and companies • Schedule follow-ups • Build new agents from plain-language descriptions openalternative.co/crm https://openalternative.co/crm08 Sep 2026 14:03 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3muz6stc6wa2uhttps://bsky.app/profile/openalternative.co/post/3muyxpqfaxn2z40,000 stars on GitHub for Insomnia. The API client so many teams reach for before anything else loads: REST, GraphQL, and gRPC, all in one desktop app. openalternative.co/insomnia https://openalternative.co/insomnia08 Sep 2026 11:56 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3muyxpqfaxn2zhttps://bsky.app/profile/openalternative.co/post/3muxchldxxf2nOpenPencil opens Figma files directly, no browser tab or account required. It adds AI chat inline, a headless CLI, real-time P2P collaboration, and a Vue SDK for building custom editors. openalternative.co/openpencil https://openalternative.co/openpencil07 Sep 2026 20:03 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3muxchldxxf2nhttps://bsky.app/profile/openalternative.co/post/3muwnz4cxke2mSparse matrix math instead of graph traversal sounds odd for a database, until you see the latency numbers. FalkorDB does exactly that: linear algebra under the hood, native multi-tenancy, and GraphRAG built in for AI apps. Just added to OpenAlternative 👇 openalternative.co/falkordb https://openalternative.co/falkordb07 Sep 2026 13:57 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3muwnz4cxke2mhttps://bsky.app/profile/openalternative.co/post/3muwhaqrsjm2oMost voice agent tools lock you to their cloud and their models. Dograh: • Plugs in your own STT, LLM, TTS • Runs on-prem or in your VPC • Builds agents via MCP or a visual workflow builder New on OpenAlternative 👇 openalternative.co/dograh https://openalternative.co/dograh07 Sep 2026 11:56 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3muwhaqrsjm2ohttps://bsky.app/profile/openalternative.co/post/3musbgk4fue2cGetting audit-ready for SOC 2, ISO 27001, HIPAA, or GDPR usually eats weeks of manual evidence gathering. Comp AI does it continuously: • Automated evidence collection • Policy generation • Monitoring across 580+ integrations Spotted on OpenAlternative 👇 openalternative.co/comp https://openalternative.co/comp05 Sep 2026 20:01 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3musbgk4fue2chttps://bsky.app/profile/openalternative.co/post/3mupxkabx752nBitwarden just hit 20,000 stars on GitHub. Open source password management that stores, shares and autofills your logins across every device, no vendor lock-in, no per-seat pricing tricks. openalternative.co/bitwarden https://openalternative.co/bitwarden04 Sep 2026 21:59 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mupxkabx752nhttps://bsky.app/profile/openalternative.co/post/3murnhrudac2sSetting up a workflow orchestrator usually means a database first, DAGs later. Dagu flips that: it's a single binary, DAGs are plain YAML, and it runs jobs locally or over SSH with retries and a web UI, no database required. New on OpenAlternative: openalternative.co/dagu https://openalternative.co/dagu05 Sep 2026 14:04 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3murnhrudac2shttps://bsky.app/profile/openalternative.co/post/3murgluc5ig26Flexprice just hit 5,000 stars on GitHub. Open source billing infra: usage-based metering, credit balances, subscription plans, whatever pricing model you're running. openalternative.co/flexprice https://openalternative.co/flexprice05 Sep 2026 12:01 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3murgluc5ig26https://bsky.app/profile/openalternative.co/post/3muq6eerzh62jPaperclip just hit 80,000 stars on GitHub. It treats AI agents like a real org: chart, goals, budgets, ticket tracing, and governance controls a board could actually read. openalternative.co/paperclip https://openalternative.co/paperclip05 Sep 2026 00:01 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3muq6eerzh62jhttps://bsky.app/profile/openalternative.co/post/3mupxkabx752nBitwarden just hit 20,000 stars on GitHub. Open source password management that stores, shares and autofills your logins across every device, no vendor lock-in, no per-seat pricing tricks. openalternative.co/bitwarden https://openalternative.co/bitwarden04 Sep 2026 21:59 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mupxkabx752nhttps://bsky.app/profile/openalternative.co/post/3mupqq3da2k25Keyword tracking, backlink checks, rank monitoring: usually three separate SaaS bills. OpenSEO does all of it self-hosted, built on DataForSEO instead of a subscription. MIT-licensed, your server, your data. openalternative.co/openseo https://openalternative.co/openseo04 Sep 2026 19:57 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mupqq3da2k25https://bsky.app/profile/openalternative.co/post/3mupdlvveyc2mVim rebuilt for the Lua era. Neovim keeps the modal editing you know and adds: • Built-in LSP support • Tree-sitter parsing • Async plugin architecture • Consistent behavior across platforms Just added to the directory 👇 openalternative.co/neovim https://openalternative.co/neovim04 Sep 2026 16:02 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mupdlvveyc2mhttps://bsky.app/profile/openalternative.co/post/3mup4vcxkku2bYou screenshot something useful, then can't find it again. Capd fixes that on macOS: it captures pages, text and images, then makes all of it searchable with OCR and full-text search. There's a CLI too, nothing leaves your machine. New on OpenAlternative today 👇 openalternative.co/capd https://openalternative.co/capd04 Sep 2026 14:02 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mup4vcxkku2bhttps://bsky.app/profile/openalternative.co/post/3mungxqwd262390,000 stars for LocalSend. The pitch never changed: drop a file, pick a nearby device, it's there. No sign-up, no cloud, no cables. Turns out that's exactly what people wanted. openalternative.co/localsend https://openalternative.co/localsend03 Sep 2026 21:57 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mungxqwd2623https://bsky.app/profile/openalternative.co/post/3munalvvazo2lContinue brings an AI coding agent into your IDE and terminal. It also runs source-controlled checks on every pull request, enforcing your team's standards as native GitHub checks with suggested fixes and a full audit trail. openalternative.co/continue https://openalternative.co/continue03 Sep 2026 20:03 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3munalvvazo2lhttps://bsky.app/profile/openalternative.co/post/3mumt6qxdoc2mEvery citation style has its own comma rules, and no one remembers them all. Zotero pulls sources straight from the page you're reading, keeps them tagged, and formats the citation for whichever of 9,000+ styles you need. New listing: openalternative.co/zotero https://openalternative.co/zotero03 Sep 2026 16:03 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mumt6qxdoc2mhttps://bsky.app/profile/openalternative.co/post/3mumm77xcoy2qOllama just hit 180,000 stars on GitHub. Run open-source LLMs locally with a dead simple setup, and reach for cloud access only when your own hardware can't keep up on the bigger models. openalternative.co/ollama https://openalternative.co/ollama03 Sep 2026 13:58 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mumm77xcoy2qhttps://bsky.app/profile/openalternative.co/post/3mumi37zh3p2lAnki doesn't quiz you on a schedule, it quizzes you right before you'd forget. 13 years of development, 30k+ stars, commits still landing this week. New on OpenAlternative 👇 openalternative.co/anki https://openalternative.co/anki03 Sep 2026 12:44 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mumi37zh3p2lhttps://bsky.app/profile/openalternative.co/post/3mumfpsmril2xOrca just hit 60,000 stars on GitHub. An Agent Development Environment for running Claude Code, Codex, Gemini and other CLI agents in parallel, across isolated git worktrees, with terminals, browser and diff review built in. openalternative.co/orca https://openalternative.co/orca03 Sep 2026 12:02 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mumfpsmril2xhttps://bsky.app/profile/openalternative.co/post/3mukwmfcgt22xHermes Agent just hit 240,000 stars on GitHub. The desktop AI agent from Nous Research keeps memory across Telegram, Discord, Slack, and WhatsApp, running each session in its own sandbox. openalternative.co/hermes-agent https://openalternative.co/hermes-agent02 Sep 2026 21:59 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mukwmfcgt22xhttps://bsky.app/profile/openalternative.co/post/3mukq5egatm23Six years in, Nango is still shipping commits daily and sitting at 11.6k stars. The pitch: connect to 500+ APIs without hand-rolling every OAuth flow and rate limiter yourself. Code-first, unified data models, enterprise security built in. openalternative.co/nango https://openalternative.co/nango02 Sep 2026 20:03 +0000at://did:plc:kv4ydqtva55jkyigrldc472e/app.bsky.feed.post/3mukq5egatm23