2026-07-07 Sam Loyd's Cyclopedia of Puzzles Ed Pegg Jr's digitized archive of Sam Loyd's 1914 'Cyclopedia of 5000 Puzzles, Tricks, and Conundrums' presents the classic puzzle book as a complete set of scanned page images freely available for download. This rare public-domain release preserves one of the most celebrated puzzle collections in mathematical history, making it an invaluable resource for recreational mathematics enthusiasts.
2026-07-07 SANGAKU Created by Hiroshi Kotera, this site documents Sangaku, the beautiful geometric theorems that Japanese scholars of all social classes inscribed on wooden tablets and dedicated to shrines and temples during the Edo period. It offers images of surviving Sangaku tablets and serves as a rare English-language window into this uniquely Japanese mathematical tradition dating back to 1996.
2026-07-07 Shtetl-Optimized Shtetl-Optimized is the long-running blog of Scott Aaronson, a theoretical computer scientist and quantum computing researcher, where he dives deep into complexity theory, quantum computing misconceptions, AI, and education policy. Known for its intellectual rigor and wit, it attracts readers from academia and beyond who enjoy substantive takes on math, physics, and the occasional culture-war skirmish in gifted education.
2026-07-07 Slice of Pi, Anyone? - About Pi Day and the Transcendental Number Pi John Shepler's engaging article celebrates Pi Day and explores the fascinating history of the transcendental number pi, from ancient scholars to modern supercomputers crunching billions of decimal places. Packed with fun facts, literary references, and links to birthday calculators and playlists, it makes mathematics genuinely entertaining for casual readers and math enthusiasts alike.
2026-07-07 Sprott's Fractal Gallery Julien C. Sprott's Fractal Gallery is a sprawling collection of computer-generated fractal artwork, featuring a daily auto-updated fractal derived from strange attractor algorithms described in his book 'Strange Attractors: Creating Patterns in Chaos'. Visitors can browse thousands of downloadable images spanning Julia sets, Mandelbrot sets, 3D anaglyphs, tilings, and animations, plus a Java applet that generates new fractals every five seconds.
2026-07-07 The Chaos Hypertextbook The Chaos Hypertextbook is a deep educational resource covering chaos theory, fractals, strange attractors, and fractal dimension with clear explanations aimed at making complex mathematics accessible to a broad audience. Organized into chapters covering iteration, bifurcation, Julia sets, Mandelbrot sets, and nonlinear dynamics, it reads like a beautifully structured online textbook that would captivate anyone curious about the mathematics underlying unpredictable systems.
2026-07-07 The Geometry Center Welcome Page The Geometry Center was a University of Minnesota research and education hub dedicated to mathematics, geometry, and visualization tools, now archived after its closure. Visitors can explore interactive Java applications, 3D geometry software like Geomview and JGV, multimedia math documents, downloadable software, and video productions covering topics from solar system models to symmetry exploration.
2026-07-07 The KnotPlot Site Created by Robert G. Scharein, the KnotPlot Site is a visually stunning exploration of mathematical knot theory, featuring hundreds of images and animations generated by the KnotPlot software for Windows, macOS, and Linux. Visitors can browse galleries of torus knots, Celtic knots, hyperbolic knots, Brunnian links, and fractal structures, as well as download the KnotPlot program itself to visualize and manipulate knots in three and four dimensions.
2026-07-07 The On-Line Encyclopedia of Integer Sequences (OEIS) The OEIS is a massive searchable database of over 393,000 integer sequences, maintained by the OEIS Foundation and originally created by mathematician Neil Sloane. Researchers, students, and math enthusiasts can look up sequences by entering numbers to identify patterns, explore combinatorics, and discover connections across mathematical disciplines.
2026-07-07 Welcome to Mathematrix Mathematrix, created by Lee Stemkoski at Adelphi University, explores the playful and lesser-known side of mathematics through topics like polyominoes, Rubik's Cube, fractals, Conway's Game of Life, and higher dimensions. Accessible to curious minds at any level, the site blends mathematical art, humor, poetry, and hands-on puzzles to make recreational math genuinely entertaining.
2026-07-07 Welcome! - The Mathematics Genealogy Project The Mathematics Genealogy Project is a massive academic database tracking the doctoral advisor lineages of mathematicians worldwide, with over 337,000 records linking students to their advisors across generations. Hosted by NDSU in association with the American Mathematical Society, it lets you trace the intellectual ancestry of virtually any mathematician back through history.
2026-07-07 Women Mathematicians, Sponsored by Agnes Scott College Hosted by Agnes Scott College, this site offers an extensive collection of biographical essays on women mathematicians throughout history, organized alphabetically, chronologically, and even by birthplace with an interactive Google Map. It also tracks prizes, firsts, and current achievements, making it a rich reference for anyone interested in the history of women in mathematics.
2026-07-07 “The Lost Art of Logarithms” by Charles Petzold Charles Petzold's web-book-in-progress explores the history, utility, and mechanics of logarithms, from their origins in 400-year-old mathematical tables to slide rules and spherical trigonometry. With over 30 chapter-length pages covering topics like the Book of Vlacq, log-log scales, and John Napier's life, this is a rich and deeply researched labor of love for math history enthusiasts.
2026-07-07 tilde.town Joe's tilde.town personal page centers on affirmations of self-love, spiritual wellness, and positive manifestation, written in an introspective and meditative style. Short but sincere, it reflects a philosophy of gratitude and personal growth shared with visitors of the small-web community.
2026-07-07 (=^‥^=) A raw and personal FC2 blog by 'catgirlvomit,' a self-described 'sad girl on the net' documenting her struggles with poverty, stress, college life, and emotional hardship. The site's dominant tone is introspective and vulnerable, with most posts filed under 'negative' and touching on mental health crises, therapy, and daily survival.
2026-07-07 A Blue in a Sea of Reds Built by an autistic creator, this colorful personal site offers an 'autistic perspective on life' through essays, art, GIF collections, trivia, and pop culture commentary organized across a whimsical 'elevator directory' of floors. From WWE recaps to video game print media and survey-style opinion polls, the site is packed with eclectic handcrafted content centered on neurodivergent experience.
2026-07-07 A Year of HYPERLIVING A Year of HYPERLIVING is a year-long personal challenge blog where the author set weekly goals to rebuild self-understanding, form better habits, and figure out their future. The project spans 23 weeks of documented activities covering biking, writing, sleep, struggles, and self-improvement experiments.
2026-07-07 Autistic As Fxxk Rachel Tan's unapologetically Autistic blog challenges neuronormativity with a punk attitude, offering personal reflections on forging your own path outside neurotypical expectations. Based in Singapore, Rachel writes for Autistic punks, rebels, and misfits who refuse to mask or conform.
2026-07-07 cliophate.wtf Cliophate.wtf is a thoughtful personal blog where the author documents experiments in mindful technology use, including a multi-week project to reduce smartphone screen time and break habits of reflexive phone-checking. The writing is reflective and self-aware, exploring the psychology of digital distraction with references to other writers and a community of like-minded minimalists.
2026-07-07 Codependents.org Index Codependents.org serves as an index hub for Co-Dependents Anonymous (CoDA) resources, including email lists, audio recovery recordings, and organizational history. It offers a centralized gateway to 12-step recovery materials for people working through codependency issues.
2026-07-07 Crayon Hydra Crayon Hydra is the personal blog of a system living with DID (Dissociative Identity Disorder) and vaginismus, sharing their lived experiences to raise awareness and combat stigma around these conditions. Written with honesty and care, the site offers insight into coping strategies, therapy experiences, and the day-to-day realities of plural living.
2026-07-07 diet coke ONLY Created by the person behind 'Diet Coke or Choke', this personal site blends chronic illness storytelling with curated recommendations for movies, games, books, and links to other indie web spaces. The creator uses the site as a form of self-expression and a love letter to the old, human-centered internet, making it a warm and eclectic corner of the web.
2026-07-07 dykefag.com A vibrant personal homepage by dykefag featuring trans and safer sex resources, DIY HRT guides, and links to LGBTQ+ support organizations. The site also includes music embeds, a theme switcher, and a lively collection of pixel art buttons reflecting queer internet culture.
2026-07-07 EasyPeasy EasyPeasy is a free online book adapted from Allen Carr's method, rewritten to help people quit pornography without willpower or feelings of deprivation. Structured as a step-by-step guide with chapters covering addiction psychology, brainwashing, withdrawal, and relapse prevention, it offers a compassionate and practical framework for breaking the habit.
2026-07-07 emotional.codes Collected by wesleyac, emotional.codes is a small but thoughtful toolkit of interactive resources for navigating emotions and interpersonal relationships, including feelings check-ins, vulnerability questions, and a guide to defining relationships. It draws on frameworks like Nonviolent Communication and the Feelings Wheel, making emotional literacy more approachable and practical.
2026-07-07 Free Mental Health Resources A carefully curated directory of free and substantially free mental health resources, filterable by platform, type, and symptom category including anxiety, mood disorders, trauma, and suicidality. The site brings together apps, workbooks, online therapy tools, and social support communities to help people improve their mental health without the barrier of cost.
2026-07-07 Hudson's FTM Resource Guide Hudson's FTM Resource Guide is a comprehensive reference site created for female-to-male transgender men, covering everything from testosterone therapy and surgery options to grooming, clothing, and bathroom tips. Viewed over 20 million times across 180 countries since 2004, this long-running guide is one of the most thorough FTM transition resources on the early web.
2026-07-07 into the sky A personal Neocities site by Jasper Schill, featuring a self-described self-indulgent collection of pages built on a chromebook with a heavy blue aesthetic and lots of gifs. The site openly references the creator's mental health journey, with sensitive content appropriately marked with warnings for visitors.
2026-07-07 just jennie Jennie's personal microblog captures candid slices of her life, including a surprise ADHD diagnosis referral, burnout, and a nostalgic mission to revive old-school block blinkies. The site blends personal reflection with retro web aesthetics, making it a charming and honest corner of the modern indie web.
2026-07-07 Lost deep, deep in the woods A moody, atmospheric personal site hosted on Neocities where the owner explores their inner world without censorship, including discussions of depression and intrusive thoughts. The gothic woodland aesthetic and content warnings signal a deeply personal space built around mental health experiences.