diffdown.com
Diffdown is a real-time collaborative Markdown editor/previewer built on the AT Protocol
diffdown.com
Added a license
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LICENSE
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LICENSE
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Copyright 2026 by John Luther
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Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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templates/about.html
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templates/about.html
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</div>
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<div class="about-col">
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<h2>Status</h2>
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<p>As I said, I am not an engineer. My goal was to create something simple that worked, and I achieved that. But 95% of Diffdown was written by <a href="https://en.wikipedia.org/wiki/Large_language_model">LLMs</a>. I am not qualified to assess the security or robustness of the code and would never claim that it comes close to production quality.</p>
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<p>As I said, I am not an engineer. My goal was to create something simple that worked, and I achieved that. But 95% of Diffdown was written by <a href="https://en.wikipedia.org/wiki/Large_language_model">LLMs</a>. I am not qualified to assess the security or robustness of the code and don't claim that it is production quality. I would <em>like</em> it to be, so <a href="https://tangled.org/diffdown.com/diffdown-app/">contributors are welcome</a>!</p>
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<p>Functionally, the app is alpha quality, at best. Expect bugs, flakiness, breaking changes, and limited features.</p>
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<p>The good news is that any documents you create will be stored on your AT Proto PDS, so even if Diffdown goes away, you will still have your documents and comments.</p>
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<p><strong class="warning">Important:</strong> Because AT Proto does not support private records (<a href="https://atproto.wiki/en/working-groups/private-data">yet</a>), any documents you create will be visible to the world (not on diffdown.com, but with a PDS record viewer, <a href="https://atproto.at/viewer?uri=did:plc:za4vlvbizdstoym7lpymc5q5/com.diffdown.document/3mhg62vlznz24">see this example</a>).</p>